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The alternating contraction and relaxation of these opposing layers mixes substances in the lumen and squeezes them through the organ's internal pathway
The numerous bulbous swelling sof the nervous system in conjunction with the smooth muscle
Junctions where the varicosities release neurotranmitter into a wide synaptic cleft in the general area of the smooth muscle cell
Pouchlike infoldings that sequester bits of extracellular fluid containing a high concentration of Ca2+ close to the membrane
Places where at regular intervals to cytoplasmic structures, smooth muscle fibers contain a lattice like arrangement of not contractile intermediate filaments that resist tension
stretch, length and tension change, hyperplasia
What are the three special characteristics of smooth muscle?
Stress Relaxation Response
It allows a hollow organ to fill or expand slowly to accommodate a greater volume without promoting strong contractions that would expel its contens
Multiunit Smooth Muscle
Smooth muscle found in the large airways to the lungs and in large arteries, the arrector pili muscles, internal eye muscles
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