plantar artery

noun

Medical Definition of plantar artery 

: either of the two terminal branches into which the posterior tibial artery divides:

a : one that is larger and passes laterally and then medially to join with a branch of the dorsalis pedis to form the plantar arch

called also lateral plantar artery

b : one that is smaller and follows a more medial course as it passes distally supplying or giving off branches which supply the plantar part of the foot and the toes

called also medial plantar artery

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