Gills

Paired respiratory organs of fishes and some amphibians that are analogous to lungs. They are richly supplied with blood vessels by which oxygen and carbon dioxide are exchanged directly with the environment.

Year introduced: 1968

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Tree Number(s): A13.421

MeSH Unique ID: D005880

Entry Terms:

• Gill

Previous Indexing:

• Branchial Region (1966-1967)
• Fishes (1966-1967)

All MeSH Categories
Anatomy Category
Animal Structures
Gills