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Descriptor English: Pterygium
Descriptor Spanish: Pterigion
Descriptor pterigion
Scope note: Pliegue o membrana triangular anormal en la fisura interpalpebral, que se extiende desde la conjuntiva hasta la córnea, y está unida a la córnea de modo inmóvil en su ápex, firmemente unido a la esclerótica a nivel de su porción media y fusionada con la conjuntiva en su base. (Dorland, 27th ed)
Descriptor Portuguese: Pterígio
Descriptor French: Ptérygion
Entry term(s): Pterygiums
Tree number(s): C11.187.781
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D011625
Scope note: An abnormal triangular fold of membrane in the interpalpebral fissure, extending from the conjunctiva to the cornea, being immovably united to the cornea at its apex, firmly attached to the sclera throughout its middle portion, and merged with the conjunctiva at its base. (Dorland, 27th ed)
Annotation: a conjunctival dis, not a structure; pterygium of other organs: index under specific organ /abnorm
Allowable Qualifiers: BL blood
CF cerebrospinal fluid
CI chemically induced
CL classification
CN congenital
CO complications
DG diagnostic imaging
DH diet therapy
DI diagnosis
DT drug therapy
EC economics
EH ethnology
EM embryology
EN enzymology
EP epidemiology
ET etiology
GE genetics
HI history
IM immunology
ME metabolism
MI microbiology
MO mortality
NU nursing
PA pathology
PC prevention & control
PP physiopathology
PS parasitology
PX psychology
RH rehabilitation
RT radiotherapy
SU surgery
TH therapy
UR urine
VE veterinary
VI virology
DeCS ID: 21053
Unique ID: D011625
NLM Classification: WW 212
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 1997/06/20
Pterygium - Preferred
Concept UI M0018079
Scope note An abnormal triangular fold of membrane in the interpalpebral fissure, extending from the conjunctiva to the cornea, being immovably united to the cornea at its apex, firmly attached to the sclera throughout its middle portion, and merged with the conjunctiva at its base. (Dorland, 27th ed)
Preferred term Pterygium
Entry term(s) Pterygiums



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