Anatomy

Optic Disk

The portion of the optic nerve seen in the fundus with the ophthalmoscope. It is formed by the meeting of all the retinal ganglion cell axons as they enter the optic nerve.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The portion of the optic nerve seen in the fundus with the ophthalmoscope. It is formed by the meeting of all the retinal ganglion cell axons as they enter the optic nerve.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

16 entry terms
  • Optic Disc
  • Optic Nerve Head
  • Optic Papilla
  • Disc, Optic
  • Disk, Optic
  • Head, Optic Nerve
  • Nerve Head, Optic
  • Optic Discs
  • Optic Disks
  • Optic Nerve Heads
  • Optic Papillas
  • Papilla, Optic
  • Papillas, Optic
  • Blind Spot
  • Blind Spots
  • Spot, Blind

MeSH Record

Aspects Covered

22 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, growth & development, immunology, injuries, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, ultrastructure, virology.

MeSH Record

Indexing Annotation

neopl: coord IM with OPTIC NERVE NEOPLASMS (IM) + histol type of neopl (IM); do not confuse "optic cup" ( = EYE /embryol) with "optic disk cupping" ( = OPTIC DISK + GLAUCOMA); inflammation = RETINITIS + OPTIC NEURITIS

MeSH Record

History Note

78(75); was see under OPTIC NERVE 1975-77

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WW 280

AMA Style

References

  1. National Library of Medicine. Optic Disk. Medical Subject Headings (MeSH). 2026. Unique ID D009898. http://id.nlm.nih.gov/mesh/2026/D009898
  2. Optic Disk. In: Wikipedia. https://en.wikipedia.org/wiki/Optic_disc
  3. Optic Disk. In: Wikidata. https://www.wikidata.org/wiki/Q16873995