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SummaryThe spontaneously beating heart of the clamMercenaria mercenaria is inhibited by an extract from the venom of the marine… Expand All the identified feeding motoneurons of Lymnaea respond to bath or iontophoretically applied acetylcholine (ACh). Three kinds… Expand The feeding activity of the pond snail Lymnaea stagnalis was stimulated by depolarization of a modulatory interneuron (SO) or of… Expand The N1 neurons are a population of interneurons active during the protraction phase of the feeding rhythm. All the N1 neurons are… Expand A voltage‐clamp study was made of a slow excitatory post‐synaptic potential (slow e.p.s.p.) that can be elicited in the medial… Expand 1 QX‐222 (the trimethyl analogue of lignocaine), methylxylocholine, lignocaine and pentobarbitone were iontophoresed… Expand 1. Cat lumbosacral motoneurons were impaled by two individually advanced microelectrodes: one to record membrane potential (EM… Expand 1. The acetylcholine (ACh) responses of cardiac muscle cells from three species of bivalves were studied by intracellular… Expand Three types of cholinergic responses, distinguished by their different pharmacological properties, underlying ionic mechanisms… Expand 1. In the pleural ganglion of Aplysia californica, groups of cells were identified that respond differently to an iontophoretic… Expand