| Name: | otic vesicle |
|---|---|
| Synonyms: | otic capsule, otocyst, ov |
| Definition: | Epithelial sac present beside the fifth rhombomere; forms the semicircular canals dorsally and the otolith organs ventrally, and houses the acoustico-vestibular sensory epithelia (maculae) of hair cells. (Also see Anatomical Atlas entry for ear by T. Whitfield.) |
| Ontology: | Anatomy Ontology [ZFA:0000051] |
| Name: | hypoplastic |
|---|---|
| Synonyms: | hypoplasia, underdeveloped |
| Definition: | A physical quality inhering in an organ or tissue by virtue of the bearer's exhibiting a decreased number of cells, typically associated with a decrease in size. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000645] |