Zona pellucida: an extracellular coat, rich in glycoprotein, surrounding the oocyte; it contains microvilli of the oocyte and cellular processes of follicular cells and appears homogeneous and translucent under the light microscope. SYN: pellucid zone.
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
Zona pellucida: thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus.
Source: WordNet 2.1
Zona pellucida: A tough transparent membrane surrounding the OVUM. It is penetrated by the sperm during FERTILIZATION.
Source: MESH OBO (Open Biomedical Ontologies)
Zona pellucida: A tough transparent membrane surrounding the OVUM. It is penetrated by the sperm during FERTILIZATION.
Source: MeSH 2007
These medical condition or symptom topics may be relevant to medical information for Zona pellucida:
Source - MeSH 2007
Source - WordNet 2.1
Source: CRISP
The following list attempts to classify Zona pellucida into categories where each line is subset of the next.
Source: WordNet 2.1
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