Anatomy

Lacrimal Apparatus

The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system.

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Classification

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See Also

MeSH Record

Synonyms

19 entry terms
  • Nasolacrimal Apparatus
  • Apparatus, Lacrimal
  • Apparatus, Nasolacrimal
  • Conjunctival Sacs
  • Lacrimal Ducts
  • Lacrimal Gland
  • Lacrimal Punctum
  • Lateral Canthus
  • Medial Canthus
  • Canthus, Lateral
  • Canthus, Medial
  • Conjunctival Sac
  • Duct, Lacrimal
  • Gland, Lacrimal
  • Lacrimal Duct
  • Lacrimal Glands
  • Lacrimal Punctums
  • Punctum, Lacrimal
  • Sac, Conjunctival

MeSH Record

Aspects Covered

24 allowable subheadings

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

MeSH Record

Indexing Annotation

inflammation = DACRYOCYSTITIS; lacrimation: see note at TEARS

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NLM Classification

WW 208

AMA Style

References

  1. National Library of Medicine. Lacrimal Apparatus. Medical Subject Headings (MeSH). 2026. Unique ID D007765. http://id.nlm.nih.gov/mesh/2026/D007765
  2. Lacrimal Apparatus. In: Wikipedia. https://en.wikipedia.org/wiki/Lacrimal_apparatus
  3. Lacrimal Apparatus. In: Wikidata. https://www.wikidata.org/wiki/Q573181