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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > anatomy and morphology > embryonic structures > embryo (animal) > extraembryonic membranes > chorion
Preferred Term:

chorion

Definition:
The outermost extraembryonic membrane surrounding the developing embryo.
Concept Schemes:
NALT Core
NALT Full
Broader Concept:
extraembryonic membranes
Related Concepts:
Entry Terms:
  • chorionic villi
  • chorion (invertebrates)
  • insect chorion
  • chorion (vertebrates)
  • eggshell (insect)
  • chorion (insects)
  • egg shell (insect)
  • chorionic villus
URI:
https://lod.nal.usda.gov/nalt/105270
Download this Concept:
RDF/XMLCreated 2007-09-28, last modified 2019-07-02
Closely Matching Concepts:
Exactly Matching Concepts: