endocrine and paracrine signals in the cardiovascular system
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9 Terms
paracrine signals
signals from nearby cells
nitric oxide
increases vasodilation
adrenaline/epinephrine
causes arterial vasodilation and increased heartrate
noradrenaline/norepinephrine
stimulates arteriole constriction
acetylcholine
increases bloodflow to the skeletal muscle, heart and liver. causes release of nitric oxide
vasopressin (ADH)
increases blood volume and pressure in haemmorhage
angiotensin 2
stimulates aldosterone secretion and arteriole constriction, increases blood pressure
atrial naturietic peptides
causes vasodilation and a drop in blood pressure
baroreceptors
cells that are sensitive to blood pressure changes, located at aortic arch and sinuses of carotid arteries