Anatomy

Trophoblasts

Cells lining the outside of the BLASTOCYST. After binding to the ENDOMETRIUM, trophoblasts develop into two distinct layers, an inner layer of mononuclear cytotrophoblasts and an outer layer of continuous multinuclear cytoplasm, the syncytiotrophoblasts, which form the early fetal-maternal interface (PLACENTA).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Cells lining the outside of the BLASTOCYST. After binding to the ENDOMETRIUM, trophoblasts develop into two distinct layers, an inner layer of mononuclear cytotrophoblasts and an outer layer of continuous multinuclear cytoplasm, the syncytiotrophoblasts, which form the early fetal-maternal interface (PLACENTA).

MeSH Record

Classification

Broader headings

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MeSH Record

Synonyms

5 entry terms
  • Trophoblast
  • Cytotrophoblasts
  • Syncytiotrophoblasts
  • Cytotrophoblast
  • Syncytiotrophoblast

MeSH Record

Aspects Covered

15 allowable subheadings

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

MeSH Record

History Note

68(64)

MeSH Hierarchy

Tree Numbers

  1. A11w.382.992w
  2. A16.254.500w.766w
  3. A16.710w.802w

MeSH Record

NLM Classification

QS 645

AMA Style

References

  1. National Library of Medicine. Trophoblasts. Medical Subject Headings (MeSH). 2026. Unique ID D014327. http://id.nlm.nih.gov/mesh/2026/D014327
  2. Trophoblasts. In: Wikipedia. https://en.wikipedia.org/wiki/Trophoblast
  3. Trophoblasts. In: Wikidata. https://www.wikidata.org/wiki/Q1889778