Term: photoreceptor outer segment layer photoreceptor outer segment
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: 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