Muscle action potentials: a technique for recording in situ.
Heart tissue in situ has been immobilized with a negative pressure device, and transmembrane potentials of one cell have been observed for more than 30 minutes.
D000200:Action Potentials; D006321:Heart; D006801:Humans; D008564:Membrane Potentials; D009206:Myocardium
MYOCARDIUM