1. <anatomy> The prolapse of an organ or part.

2. <clinical sign>

<clinical examination> The drooping of the upper eyelid from paralysis of the third nerve or from loss of sympathetic innervation.

Origin: Gr. Ptosis = fall

(06 Oct 1997)

ptomaine, ptomatine, ptomatropine, ptosed < Prev | Next > ptosis adiposa, ptosis sympathetica, ptotic

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