ANATOMY, URINARY TRACT. ANATOMY, URINARY TRACT Model of the internal anatomy of the trunk of an adult human body of indeterminate sex, anterior view. The deep organs can be seen here thanks to the removal of both the digestive system (liver, gallblader, stomach, pancreas, intestines) and the reproductive organs. A portion of the rectum (brown) appears in frontal section under the sacral promontory (hip bone, off-white with pale blue stripe). The spleen (mauve) is located laterally against th