Pto"ma*ine(?), n. [From Gr. a dead body.] (Physiol. Chem.) One of a class of animal bases or alkaloids formed in the putrefaction of various kinds of albuminous matter, and closely related to the vegetable alkaloids; a cadaveric poison. The ptomaines, as a class, have their origin in dead matter, by which they are to be distinguished from the leucomaines.
Pto"sis(?), n. [NL., fr. Gr. a falling.] (Med.) Drooping of the upper eyelid, produced by paralysis of its levator muscle.
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Wed 19th December 2018