Search on: PTERYGIUMS 
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Descriptor English:   Pterygium 
Descriptor Spanish:   Pterigion 
Descriptor Portuguese:   Pterígio 
Synonyms English:   Pterygiums  
Tree Number:   C11.187.781
Definition English:   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) 
Indexing Annotation English:   a conjunctival dis, not a structure; pterygium of other organs: index under specific organ /abnorm
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications CN congenital
DI diagnosis DG diagnostic imaging
DH diet therapy DT drug therapy
EC economics EM embryology
EN enzymology EP epidemiology
EH ethnology ET etiology
GE genetics HI history
IM immunology ME metabolism
MI microbiology MO mortality
NU nursing PS parasitology
PA pathology PP physiopathology
PC prevention & control PX psychology
RT radiotherapy RH rehabilitation
SU surgery TH therapy
UR urine VE veterinary
VI virology  
Record Number:   21053 
Unique Identifier:   D011625 

Occurrence in VHL:
 

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