amphicentric

Centering at both ends, said of a rete mirabile that begins by the vessel breaking up into a number of branches and ends by the branches joining again to form the same vessel. [amphi- + G. kentron, center]

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am·phi·cen·tric -'sen-trik adj converging at both ends used of a plexus of blood vessels having one afferent and one efferent trunk

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am·phi·cen·tric (am″fĭ-senґtrik) [amphi- + centric] beginning and ending in the same vessel, as a branch of a rete mirabile.