Embryonic Structure
egg shell
egg shell
Subclass of:
Animal Structures
Definitions related to egg shell:
  • A hard or leathery calciferous exterior covering of an egg.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Thin, brittle, exterior covering of the egg of a bird or reptile.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.