English dictionary



Info: This web site is based on WordNet 3.0 from Princeton University.

English noun: involuntary muscle

1. involuntary muscle (body) a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)


Synonymssmooth muscle


Broader (hypernym)muscle, musculus


Narrower (hyponym)musculus sphincter ani internus, myometrium









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