Name: | otic vesicle posterior protrusion |
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Synonyms: | posterior semicircular canal primordia, posterior semicircular canal primordium |
Definition: | Otic vesicle protrusion that is anteriorly located and gives rise to the pillar of the posterior semicircular canal. |
Ontology: | Anatomy Ontology [ZFA:0000412] |
Name: | aplastic |
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Synonyms: | aplasia, undeveloped |
Definition: | Absence of an organ, tissue or cell due to failure to develop from a primordium or precursor cell. |
Ontology: | Phenotypic Quality Ontology [PATO:0001483] |