Definitions for: Abdomen

[n] the region of the body of a vertebrate between the thorax and the pelvis

Webster (1913) Definition: Ab*do"men, n. [L. abdomen (a word of uncertain
etymol.): cf. F. abdomen.]
1. (Anat.) The belly, or that part of the body between the
thorax and the pelvis. Also, the cavity of the belly,
which is lined by the peritoneum, and contains the
stomach, bowels, and other viscera. In man, often
restricted to the part between the diaphragm and the
commencement of the pelvis, the remainder being called the
pelvic cavity.

2. (Zo["o]l.) The posterior section of the body, behind the
thorax, in insects, crustaceans, and other Arthropoda.

Synonyms: belly, stomach, venter

See Also: abdominal aorta, abdominal cavity, abdominal wall, arteria colica, bellybutton, body, body part, bowel, colic artery, gut, hypochondrium, intestine, navel, omphalos, omphalus, torso, trunk, umbilicus, underbelly, underbody

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