Flashcards in Blood Vessels Deck (50)
De novo formation of blood vessels during embryogenesis?
the process of new vessel formation in the mature organism; neovascularization?
remodeling of existing arteries in response to chronic changes in pressure or flow?
smooth muscle cells that are not contractile but able to divide?
a clinically significant hypertension?
accelerated or malignant hypertension?
"hardening of the arteries" and loss of elasticity?
a form of arteriosclerosis and an example of dystrophic calcification; affects medium muscular arteries of arms and legs?
Monkeberg's medial calcific sclerosis
characterized by intimal lesions called atheromas protruding into vessel lumens?
an acute phase reactant, downstream of a number of inflammatory triggers; induces a prothrombotic state; strongly predicts risk of MI or stroke?
C reactive protein
the major mechanism of atherogenesis?
hemodynamic disturbances, lipids, inflammation, infection
a localized abnormal dilation of a blood vessel or the heart?
aneurysm involving an intact attenuated arterial wall or thinned ventricular wall of the heart?
defect in the vascular wall leading to an extravascular hematoma freely communicating with intravascular space?
2 most important disorders predisposing to aortic aneurysms?
atherosclerosis and hypertension
aneurysms in the circle of willis?
the major risk factor of aortic dissection?
the most common form of vasculitis in old people in US/Europe; chronic, granulomatous inflammation of large to small sized arteries predominately in head (nodular intimal thickening)?
giant cell (temporal) arteritis
giant cell arteritis
a systemic vasculitis of small or medium sized muscular arteries; 30% associated with chronic Hep B?
segmental transmural necrotizing inflammation?
a necrotizing vasculitis; t cell mediated hypersensitivity rxn; PR3 ANCAs in up to 95% of cases?
strawberry gingivitis; palatal ulcers and perforation?
segmental, thrombosing, acute and chronic inflammation of medium and small arteries; radial and tibial arteries; almost exclusively in heavy smokers?
thromboangiitis obliterans (buerger disease)
exaggerated vasocontriction of digital arteries and arterioles?
abnormally dilated, tortuous veins?
pain elicited by forced dorsiflexion of the foot as a sign of thrombophlebitis?
vascular ectasia (nevus flammeus); enchephalotrigeminal angiomatosis (sturge weber syndrome); vascular malformation
reactive vascular proliferation?