Observations on the electrical activity within the retractor muscles of the lantern of Echinus esculentus using extracellular recording electrodes.
D000200:Action Potentials; D000818:Animals; D004447:Echinodermata / Q000502:physiology*; D005071:Evoked Potentials; D008163:Luminescent Measurements; D009119:Muscle Contraction; D009132:Muscles / Q000294:innervation*; D009210:Myofibrils / Q000502:physiology; D009213:Myography; D014159:Transducers