plantar artery
nounMedical 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