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Home > All Images > 1995 > February > 24 Feb 1995

Images Dated 24th February 1995

Choose from 5 pictures in our Images Dated 24th February 1995 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Artwork of arteriole dilated by alpha-blocker drug Featured 24 Feb 1995 Print

Artwork of arteriole dilated by alpha-blocker drug

Dilated arteriole. Artwork of an arteriole (small artery) dilated by an alpha-blocker drug given to treat hypertension - abnormally high blood pressure. The large red cells are red blood cells. The smaller blue cells are platelets, which play a role in blood clotting. The arteriole's outer muscular wall is dark pink. Its inner membrane is light pink. Nerves are shown in blue and yellow. Hypertension increases the risk of heart disease and stroke. Alpha-blockers relieve the condition by blocking the signals from nerves that make arterioles constrict. As a result the arteriole dilates (vasodilation), improving peripheral blood flow and reducing blood pressure

© JOHN BAVOSI/SCIENCE PHOTO LIBRARY