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thorax    音标拼音: [θ'ɔræks]
n. 胸,胸膛,胸腔

胸,胸膛,胸腔

thorax
n 1: the middle region of the body of an arthropod between the
head and the abdomen
2: the part of the human torso between the neck and the
diaphragm or the corresponding part in other vertebrates
[synonym: {thorax}, {chest}, {pectus}]
3: part of an insect's body that bears the wings and legs

Thorax \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 vertebrae, the ribs,
and the sternum, and which the heart and lungs are
situated; the chest.
[1913 Webster]

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.
[1913 Webster]

2. (Zool.)
(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.
[1913 Webster]

3. (Antiq.) A breastplate, cuirass, or corselet; especially,
the breastplate worn by the ancient Greeks.
[1913 Webster]


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  • Thorax - Wikipedia
    In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae, and the ribs It extends from the neck to the diaphragm, and does not include the upper limbs
  • Thoracic Cavity: Location and Function - Cleveland Clinic
    Your thoracic cavity (chest cavity) is a space inside your thorax (chest) that contains your heart, lungs and other organs and tissues It’s the second biggest hollow space in your body, with only your abdominal cavity being larger
  • Thorax: Anatomy, wall, cavity, organs neurovasculature | Kenhub
    The chest, properly called the thorax, is the superior part of the trunk located between the neck and abdomen It consists of several components: On this page, we’ll briefly take a look at each of the above components and how they fit together to form the thorax The mediastinum is located centrally and bordered by two pleural cavities laterally
  • Anatomy, Thorax - StatPearls - NCBI Bookshelf
    The thorax is the region between the abdomen inferiorly and the root of the neck superiorly [1] [2] The thorax forms from the thoracic wall, its superficial structures (breast, muscles, and skin), and the thoracic cavity
  • Thorax - Structure, Function, Location, Anatomy, Diagram
    The thorax, commonly known as the chest, is a vital region of the human body that provides protection to critical organs, including the heart and lungs, while also playing a role in respiration and structural support
  • Thorax | Lungs, Ribs Muscles | Britannica
    Thorax, the part of an animal’s body between its head and its midsection In vertebrates (fishes, amphibians, reptiles, birds, and mammals), the thorax is the chest, with the chest being that part of the body between the neck and the abdomen
  • THORAX Definition Meaning - Merriam-Webster
    The meaning of THORAX is the part of the vertebrate body between the neck and the abdomen; also : thoracic cavity How to use thorax in a sentence
  • Thorax (overview) - anatomy. app
    The thorax is the superior part of the trunk extending between the neck and the abdomen It consists of several components: The thoracic wall consists mainly of muscles and bones that form the thoracic cage Overall, the thoracic wall is formed by the following structures: Posteriorly - twelve thoracic vertebrae and their intervertebral discs
  • Organs of the Thorax - TeachMeAnatomy
    The organs of the thorax include the thymus gland, the breasts, the heart, the lungs, the tracheobronchial tree and the pleurae The thymus gland is located in the superior mediastinum of the thoracic cavity but may also extend into the neck





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