Human Phenotype Ontology 
Grandparent Node:
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Retinal degeneration (HP:0000546)help
Parent Node:
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Retinal atrophy (HP:0001105)help
..Starting node
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Geographic atrophy (HP:0031609)help
Term ID: 31609
Name: Geographic atrophy
Synonym:
Definition: Sharply demarcated area of partial or complete depigmentation of the fundus reflecting atrophy of the retinal pigment epithelium with associated retinal photoreceptor loss. The margins of the de-pigmented area are usually scalloped and the large choroidal vessels are visible through the atrophic retinal pigment epithelium.
Comments:
Reference: HP:0031609
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandMacular atrophy (HP:0007401) help
..expandPeripheral retinal atrophy (HP:0200070) help
..expandRetinal pigment epithelial atrophy (HP:0007722) help


Genes (6) :APOE CFHR1 CFHR3 HMCN1 IMPDH1 NMNAT1

Diseases (3) :OMIM:603075 OMIM:180105 OMIM:619260
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.