smooth muscle

smooth muscle

n.

Muscle tissue that contracts without conscious control, having the form of thin layers or sheets made up of spindle-shaped, unstriated cells with single nuclei and found in the walls of the internal organs, such as the stomach, intestine, bladder, and blood vessels, excluding the heart.

Thesaurus

Noun	1.	smooth muscle - 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) involuntary muscle muscle, musculus - one of the contractile organs of the body myometrium - the smooth muscle forming the wall of the uterus musculus sphincter ani internus - an internal ring of smooth muscle formed by circular fibers of the rectum
	2.	smooth muscle - muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets muscular tissue, muscle - animal tissue consisting predominantly of contractile cells smooth muscle cell - cells of the smooth muscles