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Medical Definition of Metarteriole
1. One of the small peripheral blood vessels between the arterioles and the true capillaries that contain scattered groups of smooth muscle fibres in their walls. Origin: meta-+ arteriole (05 Mar 2000)
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1. One of the small peripheral blood vessels between the arterioles and the true capillaries that contain scattered groups of smooth muscle fibres in their walls. Origin: meta-+ arteriole (05 Mar 2000)