About The Word Thorax
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Thorax
| Thorax Definition And Meaning |
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What's The Definition Of Thorax?
[n] part of an insect's body that bears the wings and legs
[n] the part of the human body between the neck and the diaphragm or the corresponding part in other vertebrates [n] the middle region of the body of an arthropod between the head and the abdomen Synonyms | Synonyms for Thorax: chest | pectus Related Terms | Find terms related to Thorax: See Also | area of cardiac dullness | arthropod | body | body part | body part | breast | breastbone | chest cavity | craniate | female chest | gallbladder | insect | male chest | musculus pectoralis | pecs | pectoral | pectoral muscle | pectoralis | prothorax | rib cage | sternum | thoracic aorta | thoracic cavity | thoracic vein | torso | trunk | vena thoracica | vertebrate Thorax In Webster's Dictionary \Tho"rax\, n. [L., fr. Gr. ?.]
1. (Anat.) 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 vertebr[ae], the
ribs, and the sternum, and which the heart and lungs are
situated; the chest.
Note: In mammals the thoracic cavity is completely separated
from the abdominal by the diaphragm, but in birds and
many reptiles the separation is incomplete, while in
other reptiles, and in amphibians and fishes, there is
no marked separation and no true thorax.
2. (Zo["o]l.)
(a) 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}.
(b) 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.
3. (Antiq.) A breastplate, cuirass, or corselet; especially,
the breastplate worn by the ancient Greeks.
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