R has various meanings in the Health category. Discover the full forms, definitions, and usage contexts of R in Health.
A drift dropped through tubulars on the rig floor before joint make up.
HealthA receptor is a molecule or a polymeric structure in or on a cell that specifically recognizes and binds a compound acting as a molecular messenger (neurotransmitter, hormone, lymphokine, lectin, drug, etc.).
HealthResistance, represented by the symbol R and measured in ohms, is a measure of the opposition to electrical flow in DC systems. Resistance is the voltage across an element divided by the current (R = V/I).
HealthAn atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)
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