Retinal Photoreceptor Cell Outer Segment
Outer Segment, Retinal
Outer Segments, Retinal
Retinal Outer Segment
Retinal Outer Segments
Retinal Photoreceptor Outer Segment
The light sensitive outer portion of a retinal rod or a cone photoreceptor cell. The outer segment contains a stack of disk membranes laden with photoreceptive pigments (RETINAL PIGMENTS). The outer segment is connected to the inner segment by a PHOTORECEPTOR CONNECTING CILIUM.