atherosclerosis
arteriosclerosis
Blood
The afferent arteriole.
vasoconstrictor
Histamine causes the dilation of the small blood vessels while constrict the large blood vessels.
When the heart beats it causes blood to flow through the blood vessels which causes them to expand. This expansion can be felt by touching the vessels that are close to the skin.
Arteries.
capillaries
Capillary: A tiny blood vessel where substances are exchanged between the blood and the body cells.
The organism not only damages the blood vessels by causing them to leak, but also causes clotting inside the vessels.
Angiitis is a condition where blood or lymph vessels are inflamed.
condition of stretched and fragile blood vessels in the colon that results in occasional loss of blood from the gastrointestinal (GI) tract. The condition is mostly related to the aging and degeneration of the blood vessels, and occurs in older adults