Anatomy
gill
gill [ gil ]
Subclass of:
Animal Structures
Definitions related to gill:
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A respiratory organ found in aquatic animals that allows for the exchange of dissolved oxygen from water into the blood stream.NCI ThesaurusU.S. National Cancer Institute, 2021
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Respiratory structure of all fishes and some other aquatic animals.CRISP ThesaurusNational Institutes of Health, 2006
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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.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Gill, in biology, type of respiratory organ found in many aquatic animals, including a number of worms, nearly all mollusks and crustaceans, some insect larvae, all fishes, and a few amphibians. The gill consists of branched or feathery tissue richly supplied with blood vessels, especially near...Encyclopedia Britannica, Inc., 2020
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