What does smooth muscle mean?
• SMOOTH MUSCLE (noun) The noun SMOOTH MUSCLE has 2 senses: 1. 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) 2. muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets Familiarity information: SMOOTH MUSCLE used as a noun is rare.