Anatomy

Retinal Photoreceptor Cell 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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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MeSH Record

Synonyms

5 entry terms
  • Retinal Outer Segment
  • Retinal Photoreceptor Outer Segment
  • Outer Segment, Retinal
  • Outer Segments, Retinal
  • Retinal Outer Segments

MeSH Record

Aspects Covered

14 allowable subheadings

Indexed with the subheadings chemistry, classification, drug effects, enzymology, immunology, metabolism, microbiology, parasitology, pathology, physiology, radiation effects, transplantation, ultrastructure, virology.

MeSH Record

History Note

2009

MeSH Record

Previous Indexing

  • Retina (1964-2008)

MeSH Hierarchy

Tree Numbers

  1. A08w.675w.650w.850.625w.670.375
  2. A08w.675w.650w.915w.937w.670.375
  3. A08w.800w.950w.937w.670.375
  4. A09w.371w.729w.831.625w.670.375
  5. A11w.671w.650w.850.625w.670.375
  6. A11w.671w.650w.915w.937w.670.375

AMA Style

References

  1. National Library of Medicine. Retinal Photoreceptor Cell Outer Segment. Medical Subject Headings (MeSH). 2026. Unique ID D055214. http://id.nlm.nih.gov/mesh/2026/D055214
  2. Retinal Photoreceptor Cell Outer Segment. In: Wikidata. https://www.wikidata.org/wiki/Q70075038