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Definition of Involuntary muscle
1. Noun. 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).
Exact synonyms: Smooth Muscle
Generic synonyms: Muscle, Musculus
Specialized synonyms: Myometrium, Musculus Sphincter Ani Internus
Generic synonyms: Muscle, Musculus
Specialized synonyms: Myometrium, Musculus Sphincter Ani Internus
Definition of Involuntary muscle
1. Noun. (muscle) Muscle that is not controlled by individual volition; cardiac muscle and smooth muscle. ¹
¹ Source: wiktionary.com