English Dictionary |
PTERYGIUM (pterygia)
Pronunciation (US): | (GB): |
Dictionary entry overview: What does pterygium mean?
• PTERYGIUM (noun)
The noun PTERYGIUM has 1 sense:
1. either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula
Familiarity information: PTERYGIUM used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
Either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula
Classified under:
Nouns denoting body parts
Hypernyms ("pterygium" is a kind of...):
conjunctiva (a transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid)
Context examples
Mutation of the gene is associated with van der Woude syndrome and popliteal pterygium syndrome and genetic variation is a factor in orofacial cleft type 6.
(IRF6 wt Allele, NCI Thesaurus)
A rare congenital disorder, this is the lethal variant of multiple pterygium syndrome, characterized by severe athrogryposis, pterygium, akinesia and often hydrops fetalis and cystic hygroma.
(Lethal Multiple Pterygium Syndrome, NCI Thesaurus)
A rare congenital disorder, this is the non-lethal variant of multiple pterygium syndrome, characterized by orthopedic and craniofacial abnormalities, pterygium and akinethesia.
(Escobar Syndrome, NCI Thesaurus)
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