involuntary muscle, n.
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)
<noun.body>
involuntary muscle smooth muscle
Word
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)
<noun.body>
involuntary muscle smooth muscle