Anatomy

Semicircular Ducts

The three membranous semicircular ducts within the bony semicircular canals. They open into the UTRICLE through five openings. Each duct has at one end a sensory area called the ampullary crest. AMPULLARY HAIR CELLS of the crests sense the movement of ENDOLYMPH resulting from rotation of the head.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The three membranous semicircular ducts within the bony semicircular canals. They open into the UTRICLE through five openings. Each duct has at one end a sensory area called the ampullary crest. AMPULLARY HAIR CELLS of the crests sense the movement of ENDOLYMPH resulting from rotation of the head.

MeSH Record

Classification

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MeSH Record

Synonyms

11 entry terms
  • Duct, Semicircular
  • Ducts, Semicircular
  • Semicircular Duct
  • Ampullary Crest
  • Crista Ampullaris
  • Ampullari, Crista
  • Ampullaris, Crista
  • Ampullary Crests
  • Crest, Ampullary
  • Crests, Ampullary
  • Crista Ampullari

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

History Note

2008

MeSH Record

Previous Indexing

  • Semicircular Canals (1971-2007)
  • Vestibular Labyrinth (1971-2007)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Semicircular Ducts. Medical Subject Headings (MeSH). 2026. Unique ID D054776. http://id.nlm.nih.gov/mesh/2026/D054776
  2. Semicircular Ducts. In: Wikidata. https://www.wikidata.org/wiki/Q11829330