See Also: Ptosis(medicine)
Ptosis(health)
ptosis(dictionary)
ptosis adiposa(medicine)
ptosis sympathetica(medicine)
Congenital ptosis of the eyelids(health)
Eyelids, adult ptosis of the(health)
Eyelids, congenital ptosis of the(health)

ptosis (iou)



ptosis noun. . M18.
[Greek ptosis falling, fall.]
Medicine. Prolapse of an organ; spec. drooping of the upper eyelid, usu. from a disorder of the levator muscle or its nerve supply.
ptotic adjective pertaining to or affected with ptosis L19.