This is the source of the term " anal-retentive " and the derived informal term "anal".
True anal piercing is rare because it may interfere with the function of the anus.
Suspensory muscle Major duodenal papilla Minor duodenal papilla Duodenojejunal flexure Brunner's glands.
Healthcare concept Gadfly, bloodsucking insect horsefly.
Cardiovascular system peripheral Artery Vein Lymphatic vessel Heart.