PTOSIS (ptoses)

Pronunciation (US):

(GB):

Irregular inflected form: ptoses   

 Dictionary entry overview: What does ptosis mean? 

• PTOSIS (noun)
  The noun PTOSIS has 1 sense:

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

  Familiarity information: PTOSIS used as a noun is very rare.

 Dictionary entry details 

• PTOSIS (noun)

Sense 1

Meaning:

Drooping of the upper eyelid caused by muscle paralysis and weakness

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("ptosis" is a kind of...):

descensus; prolapse; prolapsus (the slipping or falling out of place of an organ (as the uterus))

Hyponyms (each of the following is a kind of "ptosis"):

brow ptosis (sagging eyebrows)

 Context examples 

It is characterized by semilobar holoprosencephaly, hypotelorism, and ptosis.

(Holoprosencephaly Type 4, NCI Thesaurus)

It is associated with mental and growth retardation, prominent ears and ptosis.

(Deletion 18p Syndrome, NCI Thesaurus)

It is characterized by late-onset eyelid ptosis and dysphagia.

(Oculopharyngeal Muscular Dystrophy, NCI Thesaurus)

Mutations in the gene are associated with blepharophimosis/ptosis/epicanthus inversus syndrome.

(FOXL2 wt Allele, NCI Thesaurus)