- it is the most Abundant of the smooth muscle in the body-also called visceral smooth muscle - when excited, it contracts as a single unit (forms a functional syncytium) - electrically linked by gap junctions.
https://quizlet.com/5000370/smooth-muscle-flash-cards/
Muscle tone is a constant state of partical contraction. It is important in the gastrointestinal tract, where the walls maintain a steady pressure on the lumen contents; the walls of the blood vessels maintain a steady pressure on the blood.
http://www.qmu.ac.uk/hn/appliedscience/D%20Excitable%20Tissues/smooth_muscle.htm
Visceral Muscle Tissue. Visceral muscle tissue, or smooth muscle, is tissue associated with the internal organs of the body, especially those in the abdominal cavity. There are three types of muscle in the body: skeletal, smooth, and cardiac.
http://www.innerbody.com/image_musc01/musc02.html
Visceral, or smooth, muscle is found inside organs such as the stomach and intestines, as well as in blood vessels. It is called a smooth muscle because, unlike skeletal muscle, it does not have the banded appearance of skeletal or cardiac muscle. The weakest of all muscle tissues, visceral muscles contract to move substances through the organ, according to The Merck Manual.
http://www.livescience.com/26854-muscular-system-facts-functions-diseases.html
SMOOTH MUSCLE-STRUCTURE. Smooth muscle (shown below) is made up of fusiform (diamond-shaped) cells with a single nucleus. The cells are arranged in sheets and contain three filament types: a) actin filaments with no troponin and tropomyosin (5 - 8 times more actin than skeletal muscle). b) long myosin filaments c) filaments of intermediate size which do not take part in contraction.
http://www.qmu.ac.uk/hn/appliedscience/D%20Excitable%20Tissues/smooth_muscle.htm
in Multiunit smooth muscle, __1__ have NT vesicles associated with __2__ or __3__ nerves, so that the NT is released and __4__ to the cell membrane. 1) varicosities 2) autonomic 3) intrinsic 4) diffuses 5) hormones 6) diffuse 7) hormones 8) diffuse 9) NT 10) gap junctions 8).
https://quizlet.com/5000370/smooth-muscle-flash-cards/
As with any muscle, the smooth, involuntary muscles of the visceral muscle tissue (which lines the blood vessels, stomach, digestive tract, and other internal organs) are composed of bundles of specialized cells capable of contraction and relaxation to create movement. If one...
http://www.innerbody.com/image_musc01/musc02.html
VS in Single unit smooth muscle, are receptors for __7__ which are circulating in the blood which can __8__ to the cell membrane and receptors for __9__. 1) varicosities 2) autonomic 3) intrinsic 4) diffuses 5) hormones 6) diffuse 7) hormones 8) diffuse 9) NT 10) gap junctions 8).
https://quizlet.com/5000370/smooth-muscle-flash-cards/
Multi-unit smooth muscle is found in the walls of large blood vessels, in large airways in the lungs, in the muscle of the eye that adjusts the lens and alters the size of the pupil, and in the base of hair follicles in the skin. SINGLE-UNIT muscle is the more common.
http://www.qmu.ac.uk/hn/appliedscience/D%20Excitable%20Tissues/smooth_muscle.htm
smooth muscle myosin has more/less ATPase activity compared to skeletal muscle so that even a relatively fast contraction of ______ muscle is many time slower than ______ muscle.
https://quizlet.com/5000370/smooth-muscle-flash-cards/
where are visceral muscles found
Visceral muscles are found inside organs such as the stomach and intestines, as well as in blood vessels.