Ptosis Definition
tōsĭs
ptoses
noun
A prolapse, or falling of some organ or part; esp., the drooping of the upper eyelid, caused by the paralysis of its muscle.
Webster's New World
Other Word Forms of Ptosis
Noun
Singular:
ptosis
Plural:
ptosesOrigin of Ptosis
-
Greek ptōsis fall from piptein ptō- to fall pet- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek πτῶσις (ptōsis, “falling, a fall").
From Wiktionary
Ptosis Is Also Mentioned In
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