| Phenotype: | posterior crista hair cell absent, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | posterior crista |
|---|---|
| Synonyms: | caudal crista, pc, posterior crista ampullaris, posterior cristae, posterior semicircular canal sensory patch, posterior semicircular canal sensory patches |
| Definition: | Patch of thickened, pseudostratified epithelium that is associated with the posterior semicircular canal. It consists of regular arrays of sensory hair cells interspersed with supporting cells. The posterior crista has its own characteristic shape and polarity pattern. (See Anatomical Atlas entry for sensory patches of the ear by T. Whitfield.) |
| Ontology: | Anatomy Ontology [ZFA:0000566] |
| Name: | hair cell |
|---|---|
| Synonyms: | hair cells |
| Definition: | Hair cell is a mechanoreceptor cell that is sensitive to movement of the hair-like projections (stereocilia and kinocilia) which relay the information centrally in the nervous system. |
| Ontology: | Anatomy Ontology [ZFA:0009366] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |