Smooth Muscle

mkristaa
Mind Map by mkristaa, updated more than 1 year ago
mkristaa
Created by mkristaa about 5 years ago
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Homework Physiology
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Smooth Muscle
1 classified
1.1 Circular Layers
1.1.1 Blood vessels and Bronchiolos
1.2 Longitudinal and circular
1.3 Peristaltic Waves
2 Muscle cells
2.1 No sarcomere
2.1.1 More actin and less myosin
2.1.1.1 thin filaments
2.1.1.1.1 Ca2 + calmodulin
2.1.1.1.1.1 Activates the MLCK chain
2.1.1.1.1.1.1 Enzyme that catalyzes the phosphorylation
2.1.1.1.1.1.1.1 phosphorylation : Key for contraction
2.2 Lack of Troponin
3 Relaxation
3.1 Ca2 channels closes
3.1.1 Glamodulina dissociates from MLCK
3.1.1.1 Also
3.1.1.1.1 Power punch is inhibited by bridge
4 Contraction
4.1 Ca2 high concentration
4.1.1 sustained contraction
4.1.1.1 high despolarization+more Ca2
4.1.1.1.1 highest concentration
5 Two categories
5.1 Only Unit and Multiple Unit
5.1.1 Only UnIt: Only some cells receive innervation
5.1.1.1 Multiple unit: requires nerve stimulation
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