| paragnathus | Origin: NL. See Para-, and Gnathic. <zoology> One of the two lobes which form the lower lip, or metastome, of Crustacea. One of the small, horny, toothlike jaws of certain annelids. Source: Websters Dictionary (01 Mar 1998) |
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| paragnathus |
1. a fetus with a supernumerary jaw. 2. in asymmetrical conjoined twins, a parasitic fetus attached laterally to the jaw of the more developed fetus.
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