Anatomy

Chorionic Villi

Threadlike vascular projections of the chorion. Chorionic villi may be free or embedded within the DECIDUA forming the site for exchange of substances between fetal and maternal blood (PLACENTA).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Threadlike vascular projections of the chorion. Chorionic villi may be free or embedded within the DECIDUA forming the site for exchange of substances between fetal and maternal blood (PLACENTA).

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

12 entry terms
  • Placental Villi
  • Chorionic Villus
  • Placental Villus
  • Villi, Chorionic
  • Villi, Placental
  • Villus, Chorionic
  • Villus, Placental
  • Labyrinth of the Placenta
  • Labyrinthine Placenta
  • Placental Labyrinth Layer
  • Labyrinth Layer, Placental
  • Placental Labyrinth Layers

MeSH Record

Aspects Covered

23 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, 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

85(75); was see under PLACENTA 1975-84

MeSH Record

Previous Indexing

  • Fetal Membranes (1966-1974)
  • Placenta (1966-1974)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WQ 210

AMA Style

References

  1. National Library of Medicine. Chorionic Villi. Medical Subject Headings (MeSH). 2026. Unique ID D002824. http://id.nlm.nih.gov/mesh/2026/D002824
  2. Chorionic Villi. In: Wikipedia. https://en.wikipedia.org/wiki/Chorionic_villi
  3. Chorionic Villi. In: Wikidata. https://www.wikidata.org/wiki/Q2272222