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prothorax

(prō t̸hôr′aks)

noun pl. prothoraxes or prothoraces

Zool. that division of an insect's thorax nearest the head, and bearing the first pair of legs

Origin: ModL: see pro- & thorax

Related Forms:

prothoracic adjective

See prothorax in American Heritage Dictionary 4

noun pl. pro·tho·rax·es or pro·tho·ra·ces (-thôrˈə-sēzˌ, -thōrˈ-)

The anterior division of the thorax of an insect, bearing the first pair of legs.

Related Forms:

proˌtho·racˈic (-thə-răsˈĭk) adjective

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