Abdomen : nm (word from latin abdomen).
The word “abdomen” has several meanings:
1. Anatomy : Cavity visceral to the game lower du thump, limitée en top by diaphragm, containing most great game de l 'Digestive, the urinary tract and the genital tract internal.
Pain of the abdomen (abdominal).
Regions of the abdomen (epigastrium, hypogastrium).
Common meaning: Part previous of the abdomen (belly).
2. Part posterior du body arthropods, which are invertebrates including of with animals au body chitinous (*) segmented, to , trained de coins articulated.
The shellfish, myriapods, bugs, arachnids are of arthropods.
(*) Chitin: Substance organic, constituent of the cuticle of arthropods, presents also in the nematodes and in the cell wall of some champignons.