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Home > All Images > 2002 > March > 14 Mar 2002

Images Dated 14th March 2002

Choose from 18 pictures in our Images Dated 14th March 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


High blood pressure, artwork Featured 14 Mar 2002 Print

High blood pressure, artwork

High blood pressure. Artwork of some of the effects of high blood pressure (hypertension). This can be caused by an excess of calcium ions (green, lower centre), which causes contraction of the blood vessels (upper right). Hypertension can cause kidney failure (upper left) and can contribute to atherosclerosis. Hypertension can be treated with calcium channel blocking drugs. These interfere with the entry of calcium ions into smooth muscle cells. This impairs contraction of the muscle fibres and causes relaxation of muscle in blood vessel walls, thus reducing the blood pressure

© JOHN BAVOSI/SCIENCE PHOTO LIBRARY