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.
Year introduced: 2009
Subheadings
Tree Number(s): A08.675.650.850.625.670.375, A08.675.650.915.937.670.375, A08.800.950.937.670.375, A09.371.729.831.625.670.375, A11.671.650.850.625.670.375, A11.671.650.915.937.670.375
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