Peristalsis (noun) Definition, Meaning & Examples

noun, plural per·i·stal·ses [per-uh-stawl-seez, -stal-]. /ˌpɛr əˈstɔl siz, -ˈstæl-/. Physiology.
  1. the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system.
noun plural -ses (-siːz)
  1. the succession of waves of involuntary muscular contraction of various bodily tubes, esp of the alimentary tract, where it effects transport of food and waste products
    Peristalsis (noun) Definition, Meaning & Examples

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