| Name: | photoreceptor outer segment layer |
|---|---|
| Synonyms: | photoreceptor outer segment layers |
| Definition: | Layer of the retina composed of the outer segments of the photoreceptor cells. The photoreceptor outer segment is a specialized primary cilium consisting of a microtubule-based axoneme and regular stacks of membrane folds or disks containing the photopigments (opsins) required for the phototransduction cascade. |
| Ontology: | Anatomy Ontology [ZFA:0001466] |
| Name: | rod photoreceptor outer segment |
|---|---|
| Synonyms: | |
| Definition: | The outer segment of a vertebrate rod photoreceptor that contains sealed membrane discs that are not connected to the ciliary membrane and containing rhodopsin photoreceptor proteins. |
| Ontology: | GO: Cellular Component [GO:0120200] QuickGO AmiGO |