Term 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.
Appears at:	Unknown
Evident until:	Adult (90d-730d, breeding adult)
Ontology:	Anatomy Ontology [ZFA:0001466]

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