Noun
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)
muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets
Source: WordNetsmooth-muscle
ACE2 is present in most organs: ACE2 is attached to the cell membrane of mainly lung type II alveolar cells, enterocytes of the small intestine, arterial and venous endothelial cells and arterial smooth muscle cells in most organs. Source: Internet
Angiotensin II also acts on the smooth muscle in the walls of the arterioles causing these small diameter vessels to constrict, thereby restricting the outflow of blood from the arterial tree, causing the arterial blood pressure to rise. Source: Internet
Capillaries have no smooth muscle surrounding them and have a diameter less than that of red blood cells ; a red blood cell is typically 7 micrometers outside diameter, capillaries typically 5 micrometers inside diameter. Source: Internet
Albuterol has been shown in most clinical trials to have more effect on the respiratory tract, in the form of bronchial smooth muscle relaxation, than isoproterenol at comparable doses while producing fewer effects. Source: Internet
During urination, the smooth muscle lining the urethra relaxes in concert with bladder contraction(s) to forcefully expel the urine in a pressurized stream. Source: Internet
For example: contraction of smooth muscle preparation for assaying histamine or the study of blood pressure response in case of adrenaline. Source: Internet