Name: | otolith |
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Synonyms: | immature otolith, immature otoliths, statolith |
Definition: | Portion of organism substance composed of calcium carbonate located in the otolith organ and positioned over a sensory macula; two form in each vesicle during the late segmentation period. (Also see Anatomical Atlas entry for otolith by T. Whitfield.) |
Ontology: | Anatomy Ontology [ZFA:0001617] |
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] |