ptosis

(to’sis) (Gr. πτῶσις fall]. 1. A paralytic drooping of the eyelid. 2. The prolapse of an organ or pat. abdominal p. Same as splanchnoplosis. adipo’sa, false p., an apparent ptosis cuted by a fold of skin and fat hanging down below the border of the eyelid. Horner’s A falling out or 704 PTYOCRINOUS P.T.B. Abbreviation for Ger. Perlsucht Tuberciulin Rest, a tuberculin prepared from bovine bacilli in the same manner as Koch's new tuberculin.