CH 9 blood vessels Flashcards
what is the number one cause of morbidity and mortality in the U.S.
vascular disease
what are the 2 mechanisms of vascular disease
narrowing/obstruction of the lumen,
weakening of the vessel walls
what are the three layers of the vessel walls
intima, media, and adventia
what separates the intima from the media
internal elastic lamina
what separates the media from the adventitia
external elastic lamina
how is the inner portion of a blood vessel supplied
diffusion
how is the outer portion of the blood vessel supplied
the vasa vasorum
can all vessels spread disease
yes
what is the continuous lining of all vessels that prevents clots
non-thrombogenic interface
what causes the endothelial cells lining the lumen of a vessel to become proinflammatory
endothelial activation
what causes endothelial activation
hypertension, diabetes, or infections
what congenital anomaly is found in cerebral vessels, is likely to rupture and lead to stroke
intracranial berry aneurysms
what congenital anomoly is the connections of arterial and venous systems that bypasses capillaries (shunts past capillaries)
arteriovenou Fistulas
what congential anomly is a local thickening of arterial walls leading to stenosis (ischemia)
fibromuscular dysplasia
sodium balance in the kidneys is important to what system
renin-angiotensin system
