Füsioloogia kordamisküsimused 2014
atop the kidneys) in response to sympathetic
stimulation. Epinephrine enters the blood stream and
travels to all part the body interacting with those cells
having epinephrine receptors on their cell surface.
c. There are two types of epinephrine receptors found
in blood vessels, alpha receptors () and beta-2
receptors (). Epinephrine can cause either
vasoconstiction or vasodilation of blood vessels
depending on the type of receptor found in the smooth
muscle of a particular vessel.
d. The binding of epinephrine to receptors leads to
vasoconstriction. receptors are found in all
arterioles.
e. Conversely, the binding of epinephrine
to receptors leads to
vasodilation. receptors are found predominantly
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