| prosopospasm | Synonym: facial tic. Origin: prosopo-+ G. Spasmos, spasm (05 Mar 2000) |
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| prosopothoracopagus | Conjoined twins attached by the face and chest; a variety of cephalothoracopagus. See: conjoined twins. Origin: prosopo-+ G. Thorax, chest, + pagos, something fastened (05 Mar 2000) |
| prosopulmonata | <zoology> A division of pulmonate mollusks having the breathing organ situated on the neck, as in the common snail. Origin: NL, fr. Gr. Forward + L. Pulmo a lung. Source: Websters Dictionary (01 Mar 1998) |