Biologically Active Substance
calcium channel
cal·ci·um chan·nel [ kal-see-uhm chan-l ]
Subclass of:
Ion Channel
Definitions related to calcium channel:
  • An ion channel with selective permeability to calcium.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Voltage-dependent cell membrane glycoproteins selectively permeable to calcium ions. They are categorized as L-, T-, N-, P-, Q-, and R-types based on the activation and inactivation kinetics, ion specificity, and sensitivity to drugs and toxins. The L- and T-types are present throughout the cardiovascular and central nervous systems and the N-, P-, Q-, & R-types are located in neuronal tissue.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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