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Cross section digital illustration of spinal nerve fibres and convey motor signals highlighted in pink and green





Anatomical illustration of a Cephalaspid prehistoric fish, underside of head and internal head structure





Illustration of the skull of an Ornitholestes, a theropod dinosaur from the Jurassic period





Illustration showing physical examination of baby's legs to check alignment immediately after birth





Male back and rear muscles, detailed anatomy, full color 3D illustration on white background





Cross section digital illustration showing abruption where placental lining has separated from uterus of mother





Digital illustration of a pre-adolescent male child with the organs of the digestive system visible within the abdomen. The l...
Digital illustration of a pre-adolescent male child with the organs of the digestive system visible within the abdomen. The liver has been highlighted.





A stylized female figure with a wire frame appearance with the organs of the urinary system visible.





Illustration of H1N1 swine flu virus showing the structure of the influenza virion including the hemagglutinin and neuraminid...
Illustration of H1N1 swine flu virus showing the structure of the influenza virion including the hemagglutinin and neuraminidase proteins on the surface of the particle





Illustration of dissection techniques, showing longitudinal section and transverse section through a





Biology - Simplified scheme of the evolution of organisms divided in three groups: plants, protists, animals. Illustration.





Carbon nanotube. Computer artwork showing the hexagonal carbon structure of a nanotube, or buckytube.





A stylized female figure with a wire frame appearance with the heart and blood vessels of the cardiovascular system present.





Illustration of eye muscle fibres in iris that control contraction and dilation of the pupil





Computer graphic illustration of the Influenza A virus subtype H5N1, also known as bird flu, avian influenza, A(H5N1) or simp...
Computer graphic illustration of the Influenza A virus subtype H5N1, also known as bird flu, avian influenza, A(H5N1) or simply H5N1, is a subtype of the Influenza A virus which can cause illness in humans and many other animal species





Cross section digital illustration of twins in breech position with buttocks presented first





Cross section illustration of Common Earwig (Forficula auricularia) in auditory canal of ear, touching tympanic membrane with...
Cross section illustration of Common Earwig (Forficula auricularia) in auditory canal of ear, touching tympanic membrane with antennae





CELL METABOLISM. The utilization of nutrients by cells. Illustration of how a cell uses nutrients brought to it by the arteri...
CELL METABOLISM. The utilization of nutrients by cells. Illustration of how a cell uses nutrients brought to it by the arterial network. The nutrients penetrate the cell, and the cell then transforms them and uses them in the form of heat, energy, proteins and reserves. The waste products created by these transformations (urea and carbon dioxide) are then evacuated by way of the veinous network.





Digital illustration of superior temporal sulcas (red), orbitofrontal cortex and amygdala (green), in human brain





Digital illustration of human brain with differing views provided by each eye producing three dimensional vision





Computer generated three-dimensional ball and stick model of the amino acid, Carbon atoms are shown in light blue, nitrogen i...
Computer generated three-dimensional ball and stick model of the amino acid, Carbon atoms are shown in light blue, nitrogen in dark blue, hydrogen in grey, and oxygen in white





Digital illustration of head in profile showing direction of activating signals to cerebral cortex received from reticular ac...
Digital illustration of head in profile showing direction of activating signals to cerebral cortex received from reticular activating system via thalamus





Female palm and wrist, anterior view, xray skin, detailed anatomy, full color on black background





BIOTECHNOLOGY, GMO. BIOTECHNOLOGY, GMO GMOs in food. Illustration of an experiment for detecting the presence of a GMO in cor...
BIOTECHNOLOGY, GMO. BIOTECHNOLOGY, GMO GMOs in food. Illustration of an experiment for detecting the presence of a GMO in cornflakes. The transgenic corn DNA is placed in contact with probes which attach themselves to the modified gene. When observed under a laser beam, the contents of the test tube show up as fluorescent, revealing the presence of a GMO.





Eugenio Bettoni, Storia naturale degli uccelli che nidificano in Lombardia (Natural history of birds that nest in Lombardy) -...
Eugenio Bettoni, Storia naturale degli uccelli che nidificano in Lombardia (Natural history of birds that nest in Lombardy) - Rock Ptarmigan (Lagopus muta). Plate 82-98, engraving by Oscar Dressler (1865-1868).





Cross section digital illustration of head of foetus in pelvis, pushing against cervix as labour nears, also showing mucus pl...
Cross section digital illustration of head of foetus in pelvis, pushing against cervix as labour nears, also showing mucus plug in cervix





Waist up view of a male figure of African ethnicity with the internal organs and bones visible.





Tetrahydrocannabinol (THC), or dronabinol, is the main psychoactive substance found in the cannabis or marijuana plant





A rear view of a stylized female figure with a wire frame appearance with nerves and brain present.





Digital illustration of areas of activity during REM sleep in human brain highlighted in red and green





Digital illustration of direction of dopamine flow, nucleus accumbens, basal ganglia and ventral tegmental area highlighted i...
Digital illustration of direction of dopamine flow, nucleus accumbens, basal ganglia and ventral tegmental area highlighted in human brain





Digital illustration of human brain showing blood vessels, and areas of dead tissue highlighted in red





Digital illustration of female anatomy showing muscles of neck, arm, chest, diaphragm and upper leg





Digitally generated image of running human representation with inner human organs visible





Female thumb, fingers and wrist anatomy, back, posterior view, full color on black background





DNA molecule, computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. DNA conta...
DNA molecule, computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. DNA contains sections called genes, which encode the body's genetic information. .





Computer generated three-dimensional model of Paclitaxel or taxol, it is a mitotic inhibitor used in cancer chemotherapy.





Cross section of a femur bone showing the anatomical structure including cancellous bone and marrow.





Methadone molecule, computer model. Atoms are represented as spheres and are colour_coded: carbon grey, hydrogen white, nitro...
Methadone molecule, computer model. Atoms are represented as spheres and are colour_coded: carbon grey, hydrogen white, nitrogen blue and oxygen red.





Digital cross section illustration of medial nucleus and lateral superior olive in human brain





Diagram showing the interaction between female sexual organs and the brain, on one side, the normal reproductive cycle, and o...
Diagram showing the interaction between female sexual organs and the brain, on one side, the normal reproductive cycle, and on the other, the effect of the contraceptive pill.





Digital illustration of human brain showing corpus collosum and cingulate gyrus on medial surface of human brain





Illustration of the skull of a Stegosaurus, a type of Thyreophoran dinosaur, Jurassic period





3D computer generated model of the yellow fever virus, based upon Protein Database entry 1NA4





Illustration showing how enzymes flow through human pancreatic duct into duodenum of small intestine, breaking down peptides ...
Illustration showing how enzymes flow through human pancreatic duct into duodenum of small intestine, breaking down peptides into amino acids





Digital illustration of a pre-adolescent male child with the brain and nerves of the nervous system visible within the body.





Computer generated three-dimensional model of Mescaline or 3, 4, 5-trimethoxyphenethylamine is a naturally-occurring psychede...
Computer generated three-dimensional model of Mescaline or 3, 4, 5-trimethoxyphenethylamine is a naturally-occurring psychedelic alkaloid of the phenethylamine class





PROCARYOTE, DRAWING. The ancestor of the procaryote. Hypothetical illustration of the ancestor of the first procaryotes, thou...
PROCARYOTE, DRAWING. The ancestor of the procaryote. Hypothetical illustration of the ancestor of the first procaryotes, thought to have developed from RNA evolving inside a bubble made up of fat molecules.





3D CT scan reconstruction showing fractures of the left side of the face and skull of a 24 year old man





X-ray transparent view of circulatory system, heart, chambers, lungs, bronchial tubes, arteries and veins on black background





Illustration of Ornithurae skull with spur-like bone near highlighted in red near quadrate bone





Computer generated three-dimensional model of Lysergic acid diethylamide, abbreviated LSD also known as lysergide and colloqu...
Computer generated three-dimensional model of Lysergic acid diethylamide, abbreviated LSD also known as lysergide and colloquially as acid

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