| Term: | photoreceptor outer segment layer photoreceptor connecting cilium |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | photoreceptor outer segment layer |
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| 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: | photoreceptor connecting cilium |
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| Synonyms: | photoreceptor cilium |
| Definition: | The portion of the photoreceptor cell cilium linking the photoreceptor inner and outer segments. It's considered to be equivalent to the ciliary transition zone. |
| Ontology: | GO: Cellular Component [GO:0032391] QuickGO AmiGO |