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retroperistalsis
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English
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Etymology
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retro-
+
peristalsis
Noun
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retroperistalsis
(
uncountable
)
English
Wikipedia
has an article on:
retroperistalsis
Wikipedia
The
reverse
of the
involuntary
smooth muscle
contractions
of
peristalsis
, usually as a
precursor
to
vomiting
.