| 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: | anterior-posterior axis |
|---|---|
| Synonyms: | A-P axis, anteroposterior axis, AP axis, cephalocaudal axis, craniocaudal axis, rostral/caudal, rostrocaudal axis |
| Definition: | An axis that extends through an organism from head end to opposite end of body or tail. |
| Ontology: | Spatial Ontology [BSPO:0000013] |