| 释义 |
ab·do·men
\ˈabdəmən; abˈdōmən, əb-\ noun
(plural abdo·mens \-nz\ ; also abdom·i·na \abˈdämənə, əb-\)
Etymology: Middle French & Latin; Middle French, from Latin; perhaps akin to Latin abdere to conceal, from ab- ab- (I) + -dere to put — more at do
1.
a. : the part of the body, excepting the back, between the thorax and the pelvis or in certain lower vertebrates between the cardiac and caudal regions : belly
b. : the cavity of this part of the trunk lined by the peritoneum, enclosed by the body walls, the diaphragm, and the pelvic floor, and containing the stomach, intestines, liver, and other visceral organs
c. : the portion of this cavity between the diaphragm and the brim of the pelvis — distinguished from pelvic cavity
2.
a. : the posterior often elongated region of the body behind the thorax in arthropods consisting of up to 10 segments in insects or of 7 or less in crustaceans and being usually unsegmented in arachnids — see insect illustration
b. : the section of the zooid of a compound ascidian next behind the branchial sac |