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thorax science definition
Plural thoraxes thoraxes or thoraces
- The upper part of the trunk in vertebrate animals. The thorax includes the rib cage, which encloses the heart and lungs. In mammals, the thorax lies above the abdomen and below the neck.
- The middle division of the body of an insect, to which the wings and legs are attached. The thorax lies between the head and the abdomen.
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