Anatomy

Zona Pellucida

A tough transparent membrane surrounding the OVUM. It is penetrated by the sperm during FERTILIZATION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A tough transparent membrane surrounding the OVUM. It is penetrated by the sperm during FERTILIZATION.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Aspects Covered

14 allowable subheadings

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

MeSH Record

History Note

91(75); was see under OVUM 1975-90

MeSH Hierarchy

Tree Numbers

  1. A05w.360w.490w.690w.950w
  2. A11w.284w.295w.310w.990w
  3. A11w.497w.497w.900w
  4. A16.690w.900w

AMA Style

References

  1. National Library of Medicine. Zona Pellucida. Medical Subject Headings (MeSH). 2026. Unique ID D015044. http://id.nlm.nih.gov/mesh/2026/D015044
  2. Zona Pellucida. In: Wikipedia. https://en.wikipedia.org/wiki/Zona_pellucida
  3. Zona Pellucida. In: Wikidata. https://www.wikidata.org/wiki/Q219841