intestine
(also intestines)
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noun
(in vertebrates) the lower part of the alimentary canal from the end of the stomach to the anus:
〖通例～s〗 〘解剖〙 腸(bowels)
e.g. the contents of the intestine
e.g. loops of intestine. See also large intestine, small intestine.
(especially in invertebrates) the whole alimentary canal from the mouth downward.
ORIGIN
late Middle English: from Latin intestinum, neuter of intestinus, from intus ‘within’.