Chapter 15
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Baroreceptors
detect changes in blood pressure
blood pressure
Pressure exerted by the blood upon the walls of the blood vessels, especially arteries, usually measured by means of a sphygmomanometer and expressed in millimeters of mercury.
Angionesis
development of new blood vessels
syncope
fainting or sudden loss of consciousness caused by lack of blood supply to the cerebrum
Exchange between cell and blood happens
only at the capillaries
Venules
small vessels that gather blood from the capillaries into the veins
Arterioles
small vessels that receive blood from the arteries
Pericytes
spider-shaped stem cells help stabilize capillary walls, control permeability, and play a role in vessel repair
