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.
Prothorax :: Prothorax (n.) The first or anterior segment of the thorax in insects. See Illusts. of Butterfly and Coleoptera.
Prosternum :: Prosternum (n.) The ventral plate of the prothorax of an insect.
Horn :: Horn (n.) Any natural projection or excrescence from an animal, resembling or thought to resemble a horn in substance or form; esp.: (a) A projection from the beak of a bird, as in the hornbill. (b) A tuft of feathers on the head of a bird, as in the horned owl. (c) A hornlike projection from the head or thorax of an insect, or the head of a reptile, or fish. (d) A sharp spine in front of the fins of a fish, as in the horned pout..
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.
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..
Truncus :: Truncus (n.) The thorax of an insect. See Trunk, n., 5..
Pleurobranch :: Pleurobranch (n.) Any one of the gills of a crustacean that is attached to the side 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..
Metathorax :: Metathorax (n.) The last or posterior segment of the thorax in insects. See Illust. of Coleoptera.
Parapterum :: Parapterum (n.) A special plate situated on the sides of the mesothorax and metathorax of certain insects.
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..
Metathoracic :: Metathoracic (a.) Of or pertaining to the metathorax.
Cucullated :: Cucullated (a.) Having the prothorax elevated so as to form a sort of hood, receiving the head, as in certain insects..
Bell Bearer :: Bell bearer () A Brazilian leaf hopper (Bocydium tintinnabuliferum), remarkable for the four bell-shaped appendages of its thorax..
Prothoracic :: Prothoracic (a.) Of or pertaining to the prothorax.
Disjunct :: Disjunct (a.) Having the head, thorax, and abdomen separated by a deep constriction..
Apodeme :: Apodeme (n.) One of the processes of the shell which project inwards and unite with one another, in the thorax of many Crustacea..
Brachyura :: Brachyura (n. pl.) A group of decapod Crustacea, including the common crabs, characterized by a small and short abdomen, which is bent up beneath the large cephalo-thorax. [Also spelt Brachyoura.] See Crab, and Illustration in Appendix..
Endothorax :: Endothorax (n.) An internal process of the sternal plates in the thorax of insects.
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