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Outlet of the Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, ...
Outlet of the Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA





CAMPYLOBACTER. Campylobacter is a bacterium that causes food poisoning resulting in : diarrhea, enteritis, high temperature a...
CAMPYLOBACTER. Campylobacter is a bacterium that causes food poisoning resulting in : diarrhea, enteritis, high temperature and abdominal pain. Optical microscope.





AVIAN INFLUENZA VIRUS. This transmission electron micrograph TEM, taken at a magnification of 150,000x, revealed the ultrastr...
AVIAN INFLUENZA VIRUS. This transmission electron micrograph TEM, taken at a magnification of 150,000x, revealed the ultrastructural details of an avian influenza A H5N1 virion, a type of bird flu virus which is a subtype of avian influenza A. At this magnification, one may





Scanning electron micrograph revealed some of the morphologic details displayed by a single Gram-negative Escherichia coli ba...
Scanning electron micrograph revealed some of the morphologic details displayed by a single Gram-negative Escherichia coli bacterium





TREPONEMA PALLIDUM. Treponema pallidum is the bacterium that causes syphilis, a worldwide STD. Optical microscopy x 2000.





RSV is the most common cause of bronchiolitis and pneumonia among infants and children under 1 year of age. The majority of c...
RSV is the most common cause of bronchiolitis and pneumonia among infants and children under 1 year of age. The majority of children hospitalized for RSV infection are under 6 months of age





AIDS VIRUS INFECTION, TEM. HIV virus burgeonning from the membrane of a cell colorized TEM.





MICROCOCCUS LUTEUS. MICROCOCCUS LUTEUS Micrococcus luteus, scanning electron micrograph colorized SEM, x 21 930 Micrococcus l...
MICROCOCCUS LUTEUS. MICROCOCCUS LUTEUS Micrococcus luteus, scanning electron micrograph colorized SEM, x 21 930 Micrococcus luteus is Gram_positive coccus, strict aerobe, usually present under the form of diplococci pairs, tetrads four and sarcinas eight. This bacterium is a saprotroph feeding on decaying organic matter and not pathogenic for mankind except for immunocompromised persons affected by AIDS. Micrococcus luteus regrouping the old species Micrococcus flavus, Sarcina lutea and Sarcina





AVIAN INFLUENZA VIRUS. AVIAN INFLUENZA VIRUS Influenza virus H5N1 _ Orthomyxovirus _ Influenza virus. Influenza virus H5N1 av...
AVIAN INFLUENZA VIRUS. AVIAN INFLUENZA VIRUS Influenza virus H5N1 _ Orthomyxovirus _ Influenza virus. Influenza virus H5N1 avian pest or avian flu is the cause of a severe infectious and contagious respiratory disease. Image made according to a view under transmission electron microscope, viral diameter 100 nm.





VIROLOGY LABORATORY. VIROLOGY LABORATORY Photo essay from laboratory. Institut Pasteur. Department of virology. Unit of molec...
VIROLOGY LABORATORY. VIROLOGY LABORATORY Photo essay from laboratory. Institut Pasteur. Department of virology. Unit of molecular genetics of Bunyaviridae. Group entomology Mosquito team. Research on the transmission of Chikungunya virus to mosquitoes Aedes albopictus and Aedes aegypti. Here, titration of the Chikungunya virus by counting the lysis plaques formed on the Vero cells. The Vero epithelial cell line is issue from the kidney of a vervet monkey Chlorocebus aethiops , it is used in the





Gardasil, vaccine against certain types of the human papillomavirus (HPV) responsible for cervical cancer and genital warts.





TRICHOMONAS VAGINALIS. TRICHOMONAS VAGINALIS Trichomonas vaginalis optical microscopy, x 600. Parasite responsible for sexual...
TRICHOMONAS VAGINALIS. TRICHOMONAS VAGINALIS Trichomonas vaginalis optical microscopy, x 600. Parasite responsible for sexually transmitted diseases vaginitis, urethritis, trichomoniasis.





LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department o...
LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department of Vienne. Bacteriology laboratory: bacteria cultures.





TUBERCULOSIS IN THE BONES, SCAN. TUBERCULOSIS IN THE BONES, SCAN Tuberculous osteitis of femur head.





Neisseria gonorrhoeae. Electron micrograph of Neisseria gonorrhoeae, an aerobic Gram-negative bacterium responsible for the S...
Neisseria gonorrhoeae. Electron micrograph of Neisseria gonorrhoeae, an aerobic Gram-negative bacterium responsible for the Sexually transmitted infection Gonorrhea. Approximate mag. 100,000X.





YELLOW FEVER VIRUS. YELLOW FEVER VIRUS An electron micrograph of Yellow Fever Virus virions. Virions are spheroidal, uniform ...
YELLOW FEVER VIRUS. YELLOW FEVER VIRUS An electron micrograph of Yellow Fever Virus virions. Virions are spheroidal, uniform in shape and are 40-60nm in diameter. The name ´Yellow Fever´ is due to the ensuing jaundice that affects some patients. The vector is the Aedes aegypti or Haemagogus spp. mosquito.





Herpes virus. Cutaway view of the Herpes simplex virus (HSV), of the herpesviridae family.





NORWALK VIRUS. NORWALK VIRUS An electron micrograph of the Norwalk Virus, with 27-32nm-sized viral particles. Norwalk viruses...
NORWALK VIRUS. NORWALK VIRUS An electron micrograph of the Norwalk Virus, with 27-32nm-sized viral particles. Norwalk viruses (and related caliciviruses) are important causes of nonbacterial gastroenteritis in the United States. An estimated 181,000 cases of this type of food poisoning occur annually.





Cyanobacteria. Coloured scanning electron micrograph SEM of cyanobacteria formally known as blue_green algae, pink. Several s...
Cyanobacteria. Coloured scanning electron micrograph SEM of cyanobacteria formally known as blue_green algae, pink. Several spores white are also seen.





Images of the newly identified H1N1 influenza virus taken in the CDC Influenza Laboratory. This preliminary negative stained ...
Images of the newly identified H1N1 influenza virus taken in the CDC Influenza Laboratory. This preliminary negative stained transmission electron micrograph shows some of the ultrastructural morphology of the A/CA/4/09 swine flu virus





SALMONELLOSIS, BILHARZIASIS. SALMONELLOSIS, BILHARZIASIS Man can be infected by parasites living in fresh water. Here, after ...
SALMONELLOSIS, BILHARZIASIS. SALMONELLOSIS, BILHARZIASIS Man can be infected by parasites living in fresh water. Here, after migrating through the body, a larva of a water fluke called Schistosoma bilharziasis has developed into an adult and deposited a large spiked egg in the bladder, leading to chronic irritation and inflammation. The diseased bladder is then more susceptible to infection by common germs such as the Salmonella seen here. SEM 7800x.





Scanning photomicrograph of clustered Gram-negative Salmonella typhimurium bacteria at a high magnification of 12000X





MUMPS VIRUS. MUMPS VIRUS Electron micrograph of the Mumps virus. The mumps virus is a member of the family of Paramyxoviridae...
MUMPS VIRUS. MUMPS VIRUS Electron micrograph of the Mumps virus. The mumps virus is a member of the family of Paramyxoviridae, and is enveloped by a helical ribonucleic-protein capsid, which has a herring-bone-like appearance.





YERSINIA PESTIS. YERSINIA PESTIS Yersinia pestis bacteria causes bubonic plague in animals and humans and usually is transmit...
YERSINIA PESTIS. YERSINIA PESTIS Yersinia pestis bacteria causes bubonic plague in animals and humans and usually is transmitted by the bite of infected rat fleas. Illustration based on light microscope image at 1000x.





Aerial view on red micro_organisms in the crusts of salt in Lake Natron, Tanzania, Africa





CORYNEBACTERIUM DIPHTERIAE. Diptheria bacillus corynebacterium diphteriae or Klebs_Loeffler bacillus. Diptheria is an infecti...
CORYNEBACTERIUM DIPHTERIAE. Diptheria bacillus corynebacterium diphteriae or Klebs_Loeffler bacillus. Diptheria is an infectious disease. Bacillus on the larynx can cause asphyxia croup. This bacillus produce toxins that can paralyse or kill the patient with heart failure. Optical microscope x 1850.





BACTERIOLOGY. BACTERIOLOGY Petri dishes and bacteriological identification plate. Vitek card BioMérieux is a bacteriological ...
BACTERIOLOGY. BACTERIOLOGY Petri dishes and bacteriological identification plate. Vitek card BioMérieux is a bacteriological identification plate enabling the identification of the bacterium in the sample blood, urine and saliva and the execution of the antimicrobial susceptibility test by an automaton.





Transmission electron micrograph (TEM) of measles virus. This RNA virus is a paramyxovirus, of the genus Morbillivirus.





HEPATITIS VIRUS, TEM. Hepatitis virus colorized TEM. The type of hepatitis virus is unknown. This transmission electron micro...
HEPATITIS VIRUS, TEM. Hepatitis virus colorized TEM. The type of hepatitis virus is unknown. This transmission electron micrograph TEM revealed numerous hepatitis virions, of an unknown strain of the organism. In the United States, viral hepatitis is an important public health problem because it causes serious illness, it affects millions, and it has a close connection with HIV. There are five identified types of viral hepatitis and each one is caused by a different virus. In the United States,





Scanning electron micrograph (SEM) of methicillin-resistant Staphylococcus aureus bacteria (MRSA); Magnification 9560x. This ...
Scanning electron micrograph (SEM) of methicillin-resistant Staphylococcus aureus bacteria (MRSA); Magnification 9560x. This strain of Gram-positif bacterium has developed wide-ranging antibiotic resistance such as methicillin, and are hospital pathogens.





REOVIRUS. REOVIRUS Transmission electron micrograph of reovirus type 3. Both inner and outer capsid shells are present. Some ...
REOVIRUS. REOVIRUS Transmission electron micrograph of reovirus type 3. Both inner and outer capsid shells are present. Some virions are penetrated by negative stain.





VIBRIO VULNIFICUS. VIBRIO VULNIFICUS This scanning electron micrograph (SEM) depicts a flagellated Vibrio vulnificus bacteriu...
VIBRIO VULNIFICUS. VIBRIO VULNIFICUS This scanning electron micrograph (SEM) depicts a flagellated Vibrio vulnificus bacterium, Mag. 13184x. Vibrio vulnificus is a bacterium in the same family as those that cause cholera. It normally lives in warm seawater and is part of a group of vibrios that are called ´halophilic´ because they require salt. V. vulnificus can cause disease in those who eat contaminated seafood or have an open wound that is exposed to contaminated seawater. Among healthy p





MYCOBACTERIUM TUBERCULOSIS. MYCOBACTERIUM TUBERCULOSIS Koch’s bacilli Mycobacterium tuberculosis, responsible for tuberculosi...
MYCOBACTERIUM TUBERCULOSIS. MYCOBACTERIUM TUBERCULOSIS Koch’s bacilli Mycobacterium tuberculosis, responsible for tuberculosis. Image made according to a view under optical microscope.





ASPERGILLUS NIGER. ASPERGILLUS NIGER Cultured Aspergillus niger on diluted Sabouraud medium.





CLOSTRIDIUM BOTULINUM. Clostridium botulinum bacteria botulism bacillus. This bacterium secretes a powerful toxin which block...
CLOSTRIDIUM BOTULINUM. Clostridium botulinum bacteria botulism bacillus. This bacterium secretes a powerful toxin which blocks the motor neurons responsible for muscle contraction. When injected locally this toxin botox diminishes wrinkles by paralysing the muscles that cause them. Optical microscope x 2000.





TEM image showing the presence of both the human T-cell leukemia type-1 virus (HTLV-1) and the human immunodeficiency virus (...
TEM image showing the presence of both the human T-cell leukemia type-1 virus (HTLV-1) and the human immunodeficiency virus (HIV)





Marburg virus. Transmission electron micrograph (TEM) of filamentous Marburg virus.This RNA virus of the Filovirus (like Ebol...
Marburg virus. Transmission electron micrograph (TEM) of filamentous Marburg virus.This RNA virus of the Filovirus (like Ebola) is known to cause Marburg hemorrhagic fever, which can be fatal.





AIDS VIRUS. AIDS VIRUS HIV virus, which causes AIDS. HIV is a retrovirus with a diameter of 100 nm. Here, genetic material re...
AIDS VIRUS. AIDS VIRUS HIV virus, which causes AIDS. HIV is a retrovirus with a diameter of 100 nm. Here, genetic material resembles a cone in center of virus.





LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department o...
LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department of Vienne. Bacteriology laboratory: bacteria cultures.





GIARDIA LAMBLIA. GIARDIA LAMBLIA Giardia lamblia trophozoite, colorized SEM. Giardia lamblia also named Giardia intestinalis ...
GIARDIA LAMBLIA. GIARDIA LAMBLIA Giardia lamblia trophozoite, colorized SEM. Giardia lamblia also named Giardia intestinalis is a flagellate protozoa, strict anaerobe, parasite of the intestine in mankind and numerous mammals. It transmits giardiasis. Giardia lamblia Giardia Hexamitidae Diplomonadida Mastigophora Sarcomastigophora Protozoan Protista. This scanning electron micrograph SEM revealed some of the external ultrastructural details displayed by a flagellated Giardia lamblia proto





ARTHRODERMAGRUBYI. ARTHRODERMAGRUBYI ThismicrographrevealsspiralsandmacroconidiafromtheedgeofanimmaturecleistotheciumoftheArt...
ARTHRODERMAGRUBYI. ARTHRODERMAGRUBYI ThismicrographrevealsspiralsandmacroconidiafromtheedgeofanimmaturecleistotheciumoftheArthrodermagrubyifungus ManyArthrodermaspp offungiarecoprophilous,ordung-inhabiting,andarecommonlyassociatedwithvertebrateanimalsasskinparasites,livingoffdiscardedskinfragments,hairorfeathers





Scanning electron microscopic image of the ultrastructural details seen on the surface of a crimson clover (Trifolium incarna...
Scanning electron microscopic image of the ultrastructural details seen on the surface of a crimson clover (Trifolium incarnatum)





Colored transmission electron micrograph (TEM) of Coxiella burnetii, a bacterium responsible for Q fever. Q fever is a diseas...
Colored transmission electron micrograph (TEM) of Coxiella burnetii, a bacterium responsible for Q fever. Q fever is a disease present in livestock that can be spread to humans by inhalation of contaminated particles.





HEPATITIS C VIRUS. HCV _ Hepatitis C virus. Single_stranded RNA virus in a nucleocapsid. Image HDRI made according to a view ...
HEPATITIS C VIRUS. HCV _ Hepatitis C virus. Single_stranded RNA virus in a nucleocapsid. Image HDRI made according to a view under transmission electron microscope, viral diameter 50 nm. Half the people infected with the hepatitis C virus develop chronic hepatitis, they ne





STAPHYLOCOCCUS AUREUS. STAPHYLOCOCCUS AUREUS Methicillin resistant Staphylococcus aureus (MRSA) bacteria. This scanning elect...
STAPHYLOCOCCUS AUREUS. STAPHYLOCOCCUS AUREUS Methicillin resistant Staphylococcus aureus (MRSA) bacteria. This scanning electron micrograph depicts a grouping of methicillin resistant Staphylococcus aureus (MRSA) bacteria. These S. aureus bacteria are methicillin-resistant, and are from one of the first isolates in the U.S. that showed increased resistance to vancomycin as well. Note the increase in cell wall material seen as clumps on the organisms’ surface.





NEISSERIA GONORRHOEAE. Gonococcus neisseria gonorrhoeae is the bacterium responsable for gonorrhea. In men the symptoms are a...
NEISSERIA GONORRHOEAE. Gonococcus neisseria gonorrhoeae is the bacterium responsable for gonorrhea. In men the symptoms are acute burning when urinating and some discharge clap. In women the symptoms are burning when urinating, bartholin´s cyst, cervisitis, salpingitis. Optical microscope x 1850.





Scanning electron micrograph of HIV-1 budding from cultured lymphocyte. Multiple round bumps on cell surface represent sites ...
Scanning electron micrograph of HIV-1 budding from cultured lymphocyte. Multiple round bumps on cell surface represent sites of assembly and budding of virions





Marburg virus. Transmission electron micrograph (TEM) of filamentous Marburg virus, magnified 100,000x. This RNA virus of the...
Marburg virus. Transmission electron micrograph (TEM) of filamentous Marburg virus, magnified 100,000x. This RNA virus of the Filovirus (like Ebola) is known to cause Marburg hemorrhagic fever, which can be fatal.





Echinus Geyser with the world´s highest acidity, Back Basin, Norris Geyser Basin, geysers, colored thermophilic bacteria, mic...
Echinus Geyser with the world´s highest acidity, Back Basin, Norris Geyser Basin, geysers, colored thermophilic bacteria, microorganisms, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USA





PICORNAVIRUS. PICORNAVIRUS Picornavirus, RNA virus, including rhinoviruses and enteroviruses, responsible for common colds an...
PICORNAVIRUS. PICORNAVIRUS Picornavirus, RNA virus, including rhinoviruses and enteroviruses, responsible for common colds and gastroenterites, and aphthoviruses transmitting foot_and_mouth disease _ Image made according to a view under transmission electron microscope, viral diameter 30 to 40 nm.





INFLUENZA VIRUS. INFLUENZA VIRUS Influenza virus. Member of the orthomyxoviridae family, this is the same type of virus as th...
INFLUENZA VIRUS. INFLUENZA VIRUS Influenza virus. Member of the orthomyxoviridae family, this is the same type of virus as the avian influenza strain. The flu virus causes the contagious respiratory infection and measures 100 nanometers in diameter on average. Viral particles evolve from one localized, seasonal forms to another, occasionally causing international epidemics.





AIDS VIRUS, TEM. HIV _ Virus responsible for AIDS virus. HIV is a retrovirus. Image HDRI made according to a view under trans...
AIDS VIRUS, TEM. HIV _ Virus responsible for AIDS virus. HIV is a retrovirus. Image HDRI made according to a view under transmission electron microscope, viral diameter 100 nm.





RABIES VIRUS. RABIES VIRUS This electron micrograph shows the rabies virus, as well as Negri bodies, or cellular inclusions.





STREPTOCOCCUS PNEUMONIAE. STREPTOCOCCUS PNEUMONIAE Scanning Electron Micrograph of Streptococcus pneumoniae.





VARICELLA HERPES ZOSTER VIRUS. VARICELLA HERPES ZOSTER VIRUS Electron micrograph of a Varicella (Chickenpox) Virus. Varicella...
VARICELLA HERPES ZOSTER VIRUS. VARICELLA HERPES ZOSTER VIRUS Electron micrograph of a Varicella (Chickenpox) Virus. Varicella or Chickenpox, is an infectious disease caused by the varicella-zoster virus, which results in a blister-like rash, itching, tiredness and fever.





Virus de la grippe A H1N1. Transmission Electron Micrograph (TEM) of the swine flu virus. The Swine flu virus is a strain H1N...
Virus de la grippe A H1N1. Transmission Electron Micrograph (TEM) of the swine flu virus. The Swine flu virus is a strain H1N1 of influenza type A virus (orthomyxovirus) causing respiratory diseases to swines. Further to mutations and recombinaison with other influenza type A viruses (like avaian or human influenza), new strains transmissible from animals to humans and pathogenic to them can be created.





Acinetobacter baumannii. Scanning Electron micrograph (SEM) of Acinetobacter baumannii. This aerobic Gram-negative, non-motil...
Acinetobacter baumannii. Scanning Electron micrograph (SEM) of Acinetobacter baumannii. This aerobic Gram-negative, non-motile bacteria are normal flora on the skin. But because A. baumannii has developed substantial antimicrobial resistance, it is an emerging cause of nosocomial infections in hospitals, responsible for pneumoniae, hemopathic and wound infections. Magnification of 12739x.





Scanning electron micrograph of human immunodeficiency virus (HIV-1) co-cultivated with human lymphocytes





Vaccinia virus complement control protein. Molecular model of the C_terminal portion of the complement control protein from t...
Vaccinia virus complement control protein. Molecular model of the C_terminal portion of the complement control protein from the Vaccinia virus. This protein protects the virus against attack by the host complement system, a part of the immune system.





Parainfluenza virus. Transmission electron micrograph (TEM) of parainfluenza virus. This RNA virus of the paramyxovirus class...
Parainfluenza virus. Transmission electron micrograph (TEM) of parainfluenza virus. This RNA virus of the paramyxovirus class causes minor respiratory infections.





HEPATITIS B VIRUS. HEPATITIS B VIRUS This electron micrograph reveals the presence of hepatitis-B virus HBV ´Dane particles´,...
HEPATITIS B VIRUS. HEPATITIS B VIRUS This electron micrograph reveals the presence of hepatitis-B virus HBV ´Dane particles´, or virions.The infective hepatitis-B (HBV), virions are also known as Dane particles. These particles measure 42nm in their overall diameter, and contain a DNA-based core that is 27nm in diameter.





Transmission electron micrograph (TEM) of Legionella pneumophila, the bacteria known to cause Legionnaires' disease. Legionna...
Transmission electron micrograph (TEM) of Legionella pneumophila, the bacteria known to cause Legionnaires' disease. Legionnaires' disease, also known as Legionellosis, is associated with poorly maintained air conditioning cooling towers and potable water systems. Often associated with nosocomial infections. Magnified approximately x90,000.





HEPATITIS C VIRUS. HCV _ Hepatitis C virus. Single_stranded RNA virus in a nucleocapsid. Image HDRI made according to a view ...
HEPATITIS C VIRUS. HCV _ Hepatitis C virus. Single_stranded RNA virus in a nucleocapsid. Image HDRI made according to a view under transmission electron microscope, viral diameter 50 nm. Half the people infected with the hepatitis C virus develop chronic hepatitis, they ne





PETRI DISH. PETRI DISH Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department of Vienne. Bact...
PETRI DISH. PETRI DISH Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department of Vienne. Bacteriology laboratory: bacteria culture.





Hepatitis A virus. Color enhanced Transmission Electron Micrograph (TEM) of the Hepatitis A virus (HAV, Picornaviridae).





STAPHYLOCOCCUS AUREUS. STAPHYLOCOCCUS AUREUS Staphylococcus aureus in biofilm, coming from the inside of a permanent urinary ...
STAPHYLOCOCCUS AUREUS. STAPHYLOCOCCUS AUREUS Staphylococcus aureus in biofilm, coming from the inside of a permanent urinary catheter colorized SEM, x 2 363. A biofilm is a group of micro_organisms binding between themselves and at the surface through an adhesive matrix, that protect and make them extremely resistant. Staphylococcus aureus Staphylococcus Staphylococcaceae Bacillales Firmicutes Bacterium. This highly magnified electron micrograph depicted numbers of Staphylococcus aureus bac





CORONAVIRUS. CORONAVIRUS The coronaviruses owe their name to the the crown-like projections, visible under microscope, that e...
CORONAVIRUS. CORONAVIRUS The coronaviruses owe their name to the the crown-like projections, visible under microscope, that encircle the capsid. The coronaviruses are responsible for respiratory ailments and gastro-enteritis. The virus responsible for SARS belongs to this family.





Opalescent Pool, geyser, drainage area with coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Ba...
Opalescent Pool, geyser, drainage area with coloured thermophilic bacteria, microorganisms, Black Sand Basin, Upper Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA





STREPTOCOCCUS PYOGENES. STREPTOCOCCUS PYOGENES Streptococci are potentially pathogenic Gram-positive micro-organisms growing ...
STREPTOCOCCUS PYOGENES. STREPTOCOCCUS PYOGENES Streptococci are potentially pathogenic Gram-positive micro-organisms growing in pairs or chains. They occur as normal hosts in man. Streptococci are divided into four groups, A, B, C and D, according to the antigenic properties of the polysaccharides on their surface. They are normally found in the human alimentary tract but can cause severe infection, including scarlet fever and erysipelas. SEM of Streptococcus A or Streptococcus pyogenes (300





Human Papillomavirus. Colored transmission electron micrograph (TEM) of human papillomavirus (HPV). The HPV is involved in th...
Human Papillomavirus. Colored transmission electron micrograph (TEM) of human papillomavirus (HPV). The HPV is involved in the development of cervical cancers.





COAGULASE TEST. Photo essay in a laboratory. Saint Louis Hospital, Paris, France. Department of bacteriology of Dr François S...
COAGULASE TEST. Photo essay in a laboratory. Saint Louis Hospital, Paris, France. Department of bacteriology of Dr François Simon. A coagulase test is undertaken to identify the golden staph Staphylococcus aureus. The coagulase is a specific enzyme of the golden staph, catalyzing the coagulation of the blood conversion of fibrinogen into fibrin. The reactive agent containing fibrinogen is put in contact with the bacterium to be identified , in case of agglutination, it is a golden staph.





Scanning electromicrograph styled cocci bacterium. Staphylococci, Enterococci, and Streptococci are all types of cocci bacter...
Scanning electromicrograph styled cocci bacterium. Staphylococci, Enterococci, and Streptococci are all types of cocci bacteria.





HEPATITIS B VIRUS. HEPATITIS B VIRUS This electron micrograph reveals the presence of hepatitis-B virus HBV ´Dane particles´,...
HEPATITIS B VIRUS. HEPATITIS B VIRUS This electron micrograph reveals the presence of hepatitis-B virus HBV ´Dane particles´, or virions.The infective hepatitis-B (HBV), virions are also known as Dane particles. These particles measure 42nm in their overall diameter, and contain a DNA-based core that is 27nm in diameter.





Histology. Infection of stomach lining by Helicobacter pylori bacteria causing interstitial gastritis. Light microscopy





Scanning electron micrograph revealed a small clustered group of Gram-positive beta-hemolytic Group C Streptococcus spp. bact...
Scanning electron micrograph revealed a small clustered group of Gram-positive beta-hemolytic Group C Streptococcus spp. bacteria





Naegleria fowleri. Brain tissue with amebic infection with Naegleria fowleri, a free-living amebae responsible for primary am...
Naegleria fowleri. Brain tissue with amebic infection with Naegleria fowleri, a free-living amebae responsible for primary amebic meningoenceohalitis. Light micrograph, magnification x500.





GIARDIA LAMBLIA. GIARDIA LAMBLIA Giardia lamblia trophozoite, colorized SEM. Giardia lamblia also named Giardia intestinalis ...
GIARDIA LAMBLIA. GIARDIA LAMBLIA Giardia lamblia trophozoite, colorized SEM. Giardia lamblia also named Giardia intestinalis is a flagellate protozoa, strict anaerobe, parasite of the intestine in mankind and numerous mammals. It transmits giardiasis. Giardia lamblia Giardia Hexamitidae Diplomonadida Mastigophora Sarcomastigophora Protozoan Protista. This scanning electron micrograph SEM revealed some of the external ultrastructural details displayed by a flagellated Giardia lamblia proto





HEPATITIS B VIRUS. HEPATITIS B VIRUS Hepatitis B virus. Approximately 10% of people infected with the Hepatitis B virus becom...
HEPATITIS B VIRUS. HEPATITIS B VIRUS Hepatitis B virus. Approximately 10% of people infected with the Hepatitis B virus become ´carriers´ and can spread the disease to others for months, for years, or even for life. Approximately 70% of carriers develop a life-long infection but never develop symptoms. The other 30% develop a chronic, life-long infection, increasing their chance of permanent liver damage, including cirrhosis (scarring of the liver) and liver cancer. The hepatitis B virus, whi





Stylized close-up view of cocci bacterium. Staphylococci, Enterococci, and Streptococci are all types of cocci bacteria.





Scuba Diver photographing feeding Whale Shark, Rhincodon typus, Cenderawasih Bay, West Papua, Indonesia





Coloured axial computed tomography (CT) scan of an adult's brain, showing encephalitis in the right temporal caused by an inf...
Coloured axial computed tomography (CT) scan of an adult's brain, showing encephalitis in the right temporal caused by an infection with herpes virus (encephalitis herpetica, in yellow). Encephalitis results in the inflammation of the encephalon.





HEPATITIS C VIRUS. HEPATITIS C VIRUS Surface: membrane and transmembrane protein (blue sphere). Interior:Single stranded RNA ...
HEPATITIS C VIRUS. HEPATITIS C VIRUS Surface: membrane and transmembrane protein (blue sphere). Interior:Single stranded RNA (in yellow) and nucleocapsid (in blue).





Hepatitis B virus. Color enhanced Transmission Electron Micrograph (TEM) of the Hepatitis B virus (HBV, Hepadnaviridae).





Scanning Electron Micrograph (SEM) of Pseudomonas aeruginosa bacteria, also known as Bacillus pyocyaneus. This Gram-negative ...
Scanning Electron Micrograph (SEM) of Pseudomonas aeruginosa bacteria, also known as Bacillus pyocyaneus. This Gram-negative bacterium is responsible for wounds and urinary tract infections. It is often associated with nosocomial diseases due to its resistance to many antibiotics.





ROTAVIRUS. ROTAVIRUS The rotaviruses gets their name from their wheel-shaped form. Members of the reoviridae family, rotaviru...
ROTAVIRUS. ROTAVIRUS The rotaviruses gets their name from their wheel-shaped form. Members of the reoviridae family, rotaviruses cause diarrhea and sometimes respiratory tract infections in infants. These viruses contain bicatenary RNA, do not have an envelope and measure 60 – 75 nanometers in diameter. Transmission electron microscopy.





LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department o...
LABORATORY WORKER. LABORATORY WORKER Photo essay. Chatellerault Hospital (Camille Guérin Hospital) in the French department of Vienne. Bacteriology laboratory: bacteria culture.





PETRI DISH. PETRI DISH Photo essay in a laboratory. Saint Louis Hospital, Paris, France. Department of bacteriology of Dr Fra...
PETRI DISH. PETRI DISH Photo essay in a laboratory. Saint Louis Hospital, Paris, France. Department of bacteriology of Dr François Simon. Culture of bacteria.





Thermophilic colourful bacteria, microorganisms, Bisquit Basin, Yellowstone National Park, Wyoming, Idaho, Montana, America, ...
Thermophilic colourful bacteria, microorganisms, Bisquit Basin, Yellowstone National Park, Wyoming, Idaho, Montana, America, United States





Light photomicrograph of a rat blood smear showing Trypanosoma lewisi parasites, using a Giemsa stain technique





Transmission electron micrograph of a cross section though a soybean root nodule showing the bacteria, Bradyrhyzobium japonic...
Transmission electron micrograph of a cross section though a soybean root nodule showing the bacteria, Bradyrhyzobium japonicum





ACTINOMYCES ODONTOLYTICUS. ACTINOMYCES ODONTOLYTICUS Actinomyces are filamentous bacteria pathogenic from humans. Despite the...
ACTINOMYCES ODONTOLYTICUS. ACTINOMYCES ODONTOLYTICUS Actinomyces are filamentous bacteria pathogenic from humans. Despite their name, actinomyces are not fungi and are insensitive to anti-fungal agents. Actinomycoses (actinomyces infections) can involve the skin, bone or even visceral organs.





PETRI DISH. PETRI DISH Photo essay from laboratory. Hospital of Meaux 77, France. Laboratory of bacteriology. Research of ger...
PETRI DISH. PETRI DISH Photo essay from laboratory. Hospital of Meaux 77, France. Laboratory of bacteriology. Research of germes in the stools.





PLANKTON, SEM. PLANKTON, SEM Areolae on centric diatoms viewed in valve view under SEM. Magnification: 15000x.

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