Definition of abdomen

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Abdomen (n.) 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..

Lern More About Abdomen

Solifugae :: Solifugae (n. pl.) A division of arachnids having large, powerful fangs and a segmented abdomen; -- called also Solpugidea, and Solpugides..
Phalangoidea :: Phalangoidea (n. pl.) A division of Arachnoidea, including the daddy longlegs or harvestman (Phalangium) and many similar kinds. They have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. They breathe by tracheae. Called also Phalangides, Phalangidea, Phalangiida, and Opilionea..
Urite :: Urite (n.) One of the segments of the abdomen or post-abdomen of arthropods.
Navel :: Navel (n.) A mark or depression in the middle of the abdomen; the umbilicus. See Umbilicus.
Gastroelytrotomy :: Gastroelytrotomy (n.) The operation of cutting into the upper part of the vagina, through the abdomen (without opening the peritoneum), for the purpose of removing a fetus. It is a substitute for the Caesarean operation, and less dangerous..
Abdominoscopy :: Abdominoscopy (n.) Examination of the abdomen to detect abdominal disease.
Ventro-inguinal :: Ventro-inguinal (a.) Pertaining both to the abdomen and groin, or to the abdomen and inguinal canal; as, ventro-inguinal hernia..
Arthrostraca :: Arthrostraca (n. pl.) One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda..
Post-abdomen :: Post-abdomen (n.) That part of a crustacean behind the cephalothorax; -- more commonly called abdomen.
Womb :: Womb (n.) The belly; the abdomen.
Coarctate :: Coarctate (a.) Pressed together; closely connected; -- applied to insects having the abdomen separated from the thorax only by a constriction.
Diaphragm :: Diaphragm (n.) The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.
Elater :: Elater (n.) Any beetle of the family Elateridae, having the habit, when laid on the back, of giving a sudden upward spring, by a quick movement of the articulation between the abdomen and thorax; -- called also click beetle, spring beetle, and snapping beetle..
Rickets :: Rickets (n. pl.) A disease which affects children, and which is characterized by a bulky head, crooked spine and limbs, depressed ribs, enlarged and spongy articular epiphyses, tumid abdomen, and short stature, together with clear and often premature mental faculties. The essential cause of the disease appears to be the nondeposition of earthy salts in the osteoid tissues. Children afflicted with this malady stand and walk unsteadily. Called also rachitis..
Rubytail :: Rubytail (n.) A European gold wasp (Chrysis ignita) which has the under side of the abdomen bright red, and the other parts deep bluish green with a metallic luster. The larva is parasitic in the nests of other wasps and of bees..
Cicada :: Cicada (n.) Any species of the genus Cicada. They are large hemipterous insects, with nearly transparent wings. The male makes a shrill sound by peculiar organs in the under side of the abdomen, consisting of a pair of stretched membranes, acted upon by powerful muscles. A noted American species (C. septendecim) is called the seventeen year locust. Another common species is the dogday cicada..
Springtide :: Springtail (n.) Any one of numerous species of small apterous insects belonging to the order Thysanura. They have two elastic caudal stylets which can be bent under the abdomen and then suddenly extended like a spring, thus enabling them to leap to a considerable distance. See Collembola, and Podura..
Laparotomy :: Laparotomy (n.) A cutting through the walls of the abdomen, as in the Caesarean section..
Lard :: Lard (n.) The fat of swine, esp. the internal fat of the abdomen; also, this fat melted and strained..
Meteorism :: Meteorism (n.) Flatulent distention of the abdomen; tympanites.
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