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A rise in intracellular-free calcium ([Ca2+]i) concentration is important for initiating contraction of smooth muscles, and Ca2… Expand Recent studies indicate that lower esophageal sphincter pressure is influenced by manometric assembly diameter. This study… Expand Excitation of human esophageal smooth muscle involves the release of Ca(2+) from intracellular stores and influx. The lower… Expand There is recent morphological evidence for an interaction of autonomic nerve fibers and extrinsic motor nerves of the rat… Expand The muscarinic receptor subtypes that mediate cholinergic responses in cat esophageal smooth muscle were examined. Antagonist… Expand Acetylcholine (ACh)-induced contraction of esophageal circular smooth muscle cells was inhibited by the M2 muscarinic antagonist… Expand Nonadrenergic noncholinergic (NANC) nerves of the opossum esophagus mediate relaxation of circular muscle from the lower… Expand 1. Single-unit vagal afferent activity was recorded from 35 fibers that demonstrated evoked response to distension in the smooth… Expand Normal persons often note chest or back pain during rapid ingestion of cold liquids, commonly believed to result from cold… Expand To compare the mechanical properties of lower esophageal sphincter (LES) and esophageal circular smooth muscle, force-velocity… Expand