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Reference Terms
from Wikipedia, the free encyclopedia

Blood pressure

Blood pressure is the pressure exerted by the blood on the walls of the blood vessels.

Unless indicated otherwise, blood pressure is understood to mean arterial blood pressure, i.e., the pressure in the large arteries, such as the brachial artery (in the arm).

The pressure of the blood in other vessels is lower than the arterial pressure.

Note:   The above text is excerpted from the Wikipedia article "Blood pressure", which has been released under the GNU Free Documentation License.
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February 28, 2017

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updated 12:56 pm ET