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• 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)
• n  muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets

• involuntary muscle

News & Articles

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• St. Vincent provides new drug-free treament for severe asthma
  Bronchial thermoplasty uses a small catheter to deliver controlled energy to the airway walls in the lungs to reduce the amount of excessive airway smooth muscle common in people with asthma.
  July 12, 2013 - KTHV Little Rock