Definition of thorax

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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..

Lern More About Thorax

Coarctate :: Coarctate (a.) Pressed together; closely connected; -- applied to insects having the abdomen separated from the thorax only by a constriction.
Thoracic :: Thoracic (a.) Of or pertaining to the thorax, or chest..
Rib :: Rib (n.) One of the curved bones attached to the vertebral column and supporting the lateral walls of the thorax.
Sphex :: Sphex (n.) Any one of numerous species of sand wasps of the genus Sphex and allied genera. These wasps have the abdomen attached to the thorax by a slender pedicel. See Illust. of Sand wasp, under Sand..
Breast :: Breast (n.) Either one of the protuberant glands, situated on the front of the chest or thorax in the female of man and of some other mammalia, in which milk is secreted for the nourishment of the young; a mamma; a teat..
Mesothorax :: Mesothorax (n.) The middle segment of the thorax in insects. See Illust. of Coleoptera.
Pronotum :: Pronotum (n.) The dorsal plate of the prothorax in insects. See Illust. of Coleoptera.
Pneumothorax :: Pneumothorax (n.) A condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax.
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..
Hydrothorax :: Hydrothorax (n.) An accumulation of serous fluid in the cavity of the chest.
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..
Thoracic :: Thoracic (n.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins.
Thorax :: 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..
Hemoothorax :: Hemoothorax (n.) An effusion of blood into the cavity of the pleura.
Semirecondite :: Semirecondite (a.) Half hidden or half covered; said of the head of an insect when half covered by the shield of the thorax.
Interthoracic :: Interthoracic (a.) In the thorax.
Metasternum :: Metasternum (n.) The ventral plate of the third or last segment of the thorax of insects.
Haematothorax :: Haematothorax (n.) Same as Hemothorax.
Corselet :: Corselet (n.) The thorax of an insect.
Bust :: Bust (n.) The portion of the human figure included between the head and waist, whether in statuary or in the person; the chest or thorax; the upper part of the trunk of the body..
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