Definition of thorax

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Thorax (n.) The second, or middle, region of the body of a crustacean, arachnid, or other articulate animal. In the case of decapod Crustacea, some writers include under the term thorax only the three segments bearing the maxillipeds; others include also the five segments bearing the legs. See Illust. in Appendix..

Lern More About Thorax

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..
Thoracic :: Thoracic (n.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins.
Trunk :: Trunk (n.) That segment of the body of an insect which is between the head and abdomen, and bears the wings and legs; the thorax; the truncus..
Abdomen :: 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..
Pleura :: Pleura (n. fem.) The smooth serous membrane which closely covers the lungs and the adjacent surfaces of the thorax; the pleural membrane.
Scutum :: Scutum (n.) The second and largest of the four parts forming the upper surface of a thoracic segment of an insect. It is preceded by the prescutum and followed by the scutellum. See the Illust. under Thorax.
Thoracic :: Thoracic (a.) Of or pertaining to the thorax, or chest..
Abdominothoracic :: Abdominothoracic (a.) Relating to the abdomen and the thorax, or chest..
Mesothorax :: Mesothorax (n.) The middle segment of the thorax in insects. See Illust. of Coleoptera.
Pneumatothorax :: Pneumatothorax (n.) See Pneumothorax.
Pyopneumothorax :: Pyopneumothorax (n.) Accumulation of air, or other gas, and of pus, in the pleural cavity..
Pleural :: Pleural (a.) Of or pertaining to the pleura or pleurae, or to the sides of the thorax..
Bell Bearer :: Bell bearer () A Brazilian leaf hopper (Bocydium tintinnabuliferum), remarkable for the four bell-shaped appendages of its thorax..
Endothorax :: Endothorax (n.) An internal process of the sternal plates in the thorax of insects.
Cucullated :: Cucullated (a.) Having the prothorax elevated so as to form a sort of hood, receiving the head, as in certain insects..
Manitrunk :: Manitrunk (n.) The anterior segment of the thorax in insects. See Insect.
Prophragma :: Prophragma (n.) An internal dorsal chitinous process between the first two divisions of the thorax of insects.
Waist :: Waist (n.) That part of the human body which is immediately below the ribs or thorax; the small part of the body between the thorax and hips.
Endophragma :: Endophragma (n.) A chitinous structure above the nervous cord in the thorax of certain Crustacea.
Entothorax :: Entothorax (n.) See Endothorax.
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