Retinal Photoreceptor Cell Inner Segment

**Definition:** The inner portion of a retinal rod or a cone photoreceptor cell, situated between the PHOTORECEPTOR CONNECTING CILIUM and the synapse with the adjacent neurons (RETINAL BIPOLAR CELLS; RETINAL HORIZONTAL CELLS). The inner segment contains the cell body, the nucleus, the mitochondria, and apparatus for protein synthesis.

**Tree numbers:** - A08.675.650.850.625.670.237 - A08.675.650.915.937.670.237 - A08.800.950.937.670.237 - A09.371.729.831.625.670.237 - A11.671.650.850.625.670.237 - A11.671.650.915.937.670.237

**Synonyms:** - Retinal Inner Segment - Retinal Photoreceptor Inner Segment