Definition of thorax

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Thorax (n.) The middle region of the body of an insect, or that region which bears the legs and wings. It is composed of three united somites, each of which is composed of several distinct parts. See Illust. in Appendix. and Illust. of Coleoptera..

Lern More About Thorax

Pneumatograph :: Pneumatograph (n.) An instrument for recording the movements of the thorax or chest wall during respiration; -- also called stethograph.
Spiracle :: Spiracle (n.) One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera..
Hemoothorax :: Hemoothorax (n.) An effusion of blood into the cavity of the pleura.
Haematothorax :: Haematothorax (n.) Same as Hemothorax.
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..
Metathoracic :: Metathoracic (a.) Of or pertaining to the metathorax.
Prophragma :: Prophragma (n.) An internal dorsal chitinous process between the first two divisions of the thorax of insects.
Pyopneumothorax :: Pyopneumothorax (n.) Accumulation of air, or other gas, and of pus, in the pleural cavity..
Truncus :: Truncus (n.) The thorax of an insect. See Trunk, n., 5..
Pleura :: Pleura (n. fem.) The smooth serous membrane which closely covers the lungs and the adjacent surfaces of the thorax; the pleural membrane.
Mesothoracic :: Mesothoracic (a.) Of or pertaining to the mesothorax.
Stethoscope :: Stethoscope (n.) An instrument used in auscultation for examining the organs of the chest, as the heart and lungs, by conveying to the ear of the examiner the sounds produced in the thorax..
Manitrunk :: Manitrunk (n.) The anterior segment of the thorax in insects. See Insect.
Prosoma :: Prosoma (n.) The anterior of the body of an animal, as of a cephalopod; the thorax of an arthropod..
Cucullated :: Cucullated (a.) Having the prothorax elevated so as to form a sort of hood, receiving the head, as in certain insects..
Endophragma :: Endophragma (n.) A chitinous structure above the nervous cord in the thorax of certain Crustacea.
Semirecondite :: Semirecondite (a.) Half hidden or half covered; said of the head of an insect when half covered by the shield of the thorax.
Thorax :: Thorax (n.) The part of the trunk between the neck and the abdomen, containing that part of the body cavity the walls of which are supported by the dorsal vertebrae, the ribs, and the sternum, and which the heart and lungs are situated; the chest..
Mesothorax :: Mesothorax (n.) The middle segment of the thorax in insects. See Illust. of Coleoptera.
Abdomen :: Abdomen (n.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda..
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