Human Phenotype Ontology 
Grandparent Node:
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Morphological central nervous system abnormality (HP:0002011)help
Parent Node:
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Abnormal morphology of the olfactory bulb (HP:0040327)help
Parent Node:
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Aplasia/Hypoplasia involving the central nervous system (HP:0002977)help
..Starting node
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Hypoplasia of the olfactory bulb (HP:0040326)help
Term ID: 40326
Name: Hypoplasia of the olfactory bulb
Synonym: Hypoplasia of olfactory bulb; Hypoplastic olfactory bulb
Definition: Underdevelopment of the olfactory bulb.
Comments:
Reference: HP:0040326
Genes and Diseases:
 
       Child Nodes:

 Sister Nodes: 
..expandAgenesis of pineal gland (HP:0012687) help
..expandAplasia/Hypoplasia involving the corticospinal tracts (HP:0007365) help
..expandAplasia/Hypoplasia of the brainstem (HP:0007362) help
..expandAplasia/Hypoplasia of the cerebellum (HP:0007360) help
..expandAplasia/Hypoplasia of the cerebrum (HP:0007364) help
..expandAplasia/Hypoplasia of the optic tract (HP:0011000) help
..expandAplasia/Hypoplasia of the pyramidal tract (HP:0007363) help
..expandAtrophy/Degeneration affecting the cerebrum (HP:0007369) help
..expandGlobal brain atrophy (HP:0002283) help
..expandHypoplasia of olfactory tract (HP:0007036) help
..expandHypoplastic olfactory lobes (HP:0006894) help
..expandOptic nerve hypoplasia (HP:0000609) help


Genes (6) :GSX2 POU3F3 SEMA3A SMCHD1 TUBB3 ZSWIM6

Diseases (6) :OMIM:618646 OMIM:618604 OMIM:614897 ORPHA:2250 ORPHA:300570 ORPHA:1827
 

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