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3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Post-abdomen \Post'-ab*do"men\, noun [Pref. post- + abdomen.] (Zool.) That part of a crustacean behind the cephalothorax; -- more commonly called {abdomen}.

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Abdomen \Ab*do"men\, noun [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. (Zool.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.

From WordNet (r) 3.0 (2006) [wn]:



1: the region of the body of a vertebrate between the thorax and the pelvis [syn: {abdomen}, {venter}, {stomach}, {belly}]

2: the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm [syn: {abdominal cavity}, {abdomen}]

Definitions retrieved from the Open Source DICT dictionary. Click here for database copyright information.