| Name: | epiphysis |
|---|---|
| Synonyms: | corpus pineale, pineal gland, pineal organ |
| Definition: | A circumscribed swelling, includes the pineal primordium that appears late in the segmentation period in the dorsal midline of the diencephalon. It is located directly rostral to the posterior commissure and dorsal to the habenular commissure. |
| Ontology: | Anatomy Ontology [ZFA:0000019] |
| Name: | photoreceptor outer segment |
|---|---|
| Synonyms: | |
| Definition: | The outer segment of a vertebrate photoreceptor that contains a stack of membrane discs embedded with photoreceptor proteins. |
| Ontology: | GO: Cellular Component [GO:0001750] QuickGO AmiGO |