Coordination of peristalsis in pharynx and esophagus

  title={Coordination of peristalsis in pharynx and esophagus},
  author={Thomas R. Hendrix},
When a swallowed liquid bolus is followed from mouth to stomach in man by contrast studies or manometry, it traverses its course without hesitation even though the bolus is propelled by striated muscle contraction in the first part of its journey and smooth muscle in the latter part. The striated muscle is innervated by excitatory cholinergic nicotinic cranial nerves whereas the smooth muscle of the esophagus is innervated by the enteric nervous system (ENS) through excitatory and inhibitory… CONTINUE READING


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