smooth muscle


smooth muscle

noun

Definition of SMOOTH MUSCLE

:  muscle tissue that lacks cross striations, is made up of elongated spindle-shaped cells having a central nucleus, and is found especially in vertebrate hollow organs and structures (as the digestive tract and bladder) as thin sheets performing functions not subject to direct voluntary control and in all or most of the musculature of invertebrates other than arthropods — compare striated muscle

First Known Use of SMOOTH MUSCLE

circa 1890

smooth muscle

noun    (Medical Dictionary)

Medical Definition of SMOOTH MUSCLE

: muscle tissue that lacks cross striations, that is made up of elongated spindle-shaped cells having a central nucleus, and that is found especially in vertebrate hollow organs and structures (as the small intestine and bladder) as thin sheets performing functions not subject to direct voluntary control and in all or most of the musculature of invertebrates other than arthropods—called also nonstriated muscle, unstriated muscle; compare cardiac muscle, striated muscle

Illustration of SMOOTH MUSCLE

Browse

Next Word in the Dictionary: smooth newt
Previous Word in the Dictionary: smooth meadow grass
All Words Near: smooth muscle

Seen & Heard

What made you want to look up smooth muscle? Please tell us where you read or heard it (including the quote, if possible).