Smooth Muscle DSA Flashcards
1
Q
what effect does nitric oxide have on SM?
A
inhibitory –> relaxation
2
Q
what kind of NT receptors do Skeletal muscle and smooth muscle use?
A
Skeletal: Nicotinic cholinergic
Smooth: Muscarinic cholinergic, adrenergic, others
3
Q
what is the effect of adenosine on smooth muscle?
A
relaxation
4
Q
what is the effect of angiotensin II, vasopressin, endothelin on smooth muscle?
A
contraction
5
Q
in smooth muscle what does actin attach to?
A
dense bodies/adherens junctions
6
Q
does smooth muscle have true sarcomere structures
A
no