The initiation of contraction by extracellular calcium in the smooth muscle of the guinea pig taenia coli.
D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000494:pharmacology / Q000502:physiology*; D003106:Colon; D003470:Culture Media; D005110:Extracellular Space; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D013268:Stimulation, Chemical
D003470:Culture Media; D002118:Calcium