Definition of Ptosis

1. Noun. Drooping of the upper eyelid caused by muscle paralysis and weakness.

Specialized synonyms: Brow Ptosis
Generic synonyms: Descensus, Prolapse, Prolapsus

Definition of Ptosis

1. n. Drooping of the upper eyelid, produced by paralysis of its levator muscle.

Definition of Ptosis

1. Noun. The prolapse of a bodily organ, especially drooping of the eyelid. ¹

¹ Source: wiktionary.com

Definition of Ptosis

1. a drooping of the upper eyelid [n PTOSES] : PTOTIC [adj]

Ptosis Pictures

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Lexicographical Neighbors of Ptosis

ptisan
ptisane
ptisans
ptochologist
ptochologists
ptochology
ptomain
ptomaine
ptomaine poisoning
ptomaines
ptomainic
ptomains
ptooey
ptooie
ptoses
ptosis (current term)
ptosyl
ptotic
ptr
pts
ptui
ptyalagogue
ptyalagogues
ptyalin
ptyaline
ptyalins
ptyalise
ptyalised
ptyalises
ptyalism

Literary usage of Ptosis

Below you will find example usage of this term as found in modern and/or classical literature:

1. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1912)
"let loose in the process of the development of general ptosis, at which time it begins to hold part of the weight of the mobile ..."

2. Text-book of Ophthalmology by Ernst Fuchs (1911)
"All degrees of ptosis occur, from a just noticeable depression of the upper ... The higher degrees of ptosis, in which the lid hangs down in front of the ..."

3. The Principles and Practice of Ophthalmic Medicine and Surgery by Thomas Wharton Jones (1863)
"ptosis or falling down of the upper eyelid.1 ptosis is the opposite of ... There are four principal forms of ptosis. 1st. ptosis from paralysis of the nerve ..."

4. The Principles and Practice of Ophthalmic Medicine and Surgery by Thomas Wharton Jones (1863)
"ptosis or falling down of the upper eyelid* ptosis is.the opposite of ... There are four principal forms of ptosis. 1st. ptosis from paralysis of the nerve ..."

5. Text-book of Ophthalmology by Ernst Fuchs, Alexander Duane (1899)
"All degrees of ptosis occur, from a just noticeable depression of the upper ... The higher degrees of ptosis, in which the lid hangs down in front of the ..."

6. Ophthalmic surgery: A Handbook of the Surgical Operations on the Eyeball and by Josef Meller (1912)
"ptosis. Most of the cases of ptosis requiring operation are congenital. ... In acquired ptosis not caused by a lesion of the levator muscle, other muscles ..."

7. Diseases of the eye by George Edmund De Schweinitz (1916)
"ptosis also occurs as the result of injury of the levator. In some cases of unilateral congenital ptosis, usually on the left side, while the eyelid cannot ..."

8. Transactions of the American Ophthalmological Society Annual Meeting by American Ophthalmological Society (1897)
"The other photograph is one of congenital ptosis with most marked epicanthus on both sides. In this case the action of the occipito-frontalis was also found ..."

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