Element
chloride ion
chlo·ride i·on [ klawr-ahyd, -id, klohr- ahy-uhn, ahy-on ]
Effect:
Cellular Activity Alteration
May Prevent:
Nutritional and Metabolic Diseases
May Treat:
Nutritional and Metabolic Diseases
More Information:
ChemID; DailyMed; PDR
Definitions related to chloride ion:
  • (chloride) Chlorine requiring removal of one electron to return to its elemental form.
    CRCH Nutrition Terminology
    Cancer Research Center of Hawaii, University of Hawaii, 2021
  • A chlorine anion that forms the negatively charged part of certain salts, including sodium and hydrogen chloride salts, and is an essential electrolyte located in all body fluids responsible for maintaining acid/base balance, transmitting nerve impulses and regulating fluid in and out of cells.
    NCI
    U.S. National Cancer Institute, 2021
  • Negatively charged chlorine atom, Cl-.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Chloride is the predominant anion that exists in the extracellular space. It maintains cellular integrity via its effects on osmotic pressure and water balance, in addition to maintaining acid-base balance.
    Medscape
    WebMD, 2025
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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.