| Phenotype: | anterior crista nerve 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: | anterior crista |
|---|---|
| Synonyms: | ac, anterior crista ampullaris, anterior cristae, anterior semicircular canal sensory patch, anterior semicircular canal sensory patches, rostral crista |
| Definition: | Patch of thickened, pseudostratified epithelium that is associated with the anterior semicircular canal. It consists of regular arrays of sensory hair cells interspersed with supporting cells. The anterior 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:0000619] |
| Name: | nerve |
|---|---|
| Synonyms: | nerves |
| Definition: | A portion of tissue which is a fasciculated group of axons. Many time axons in the nerve are enveloped by the glial cells of the peripheral nervous system, the Schwann cells. |
| Ontology: | Anatomy Ontology [ZFA:0007009] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |