labyrinthine vein

English Thesaurus

1. veins that drain the inner ear (noun.body)

hypernym	:	vein, vena, venous blood vessel,
definition	:	a blood vessel that carries blood from the capillaries toward the heart (noun.body)

part meronym	:	inner ear, internal ear, labyrinth,
definition	:	a complex system of interconnecting cavities; concerned with hearing and equilibrium (noun.body)