"Quinidine" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
An optical isomer of quinine, extracted from the bark of the CHINCHONA tree and similar plant species. This alkaloid dampens the excitability of cardiac and skeletal muscles by blocking sodium and potassium currents across cellular membranes. It prolongs cellular ACTION POTENTIALS, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission.
| Descriptor ID |
D011802
|
| MeSH Number(s) |
D03.132.206.636 D03.605.687.637 D03.633.100.810.699
|
| Concept/Terms |
|
Below are MeSH descriptors whose meaning is more general than "Quinidine".
Below are MeSH descriptors whose meaning is more specific than "Quinidine".
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Below are the most recent publications written about "Quinidine" by people in Profiles.