Type of blood vessel (6)
'type of blood vessel' is the definition.
This is all the clue.
(Other definitions for artery that I've seen before include "Principle channel of circulatory system" , "Important transport route" , "M1?" , "Major blood vessel or road" , "Something that could be clogged" .)
'type of blood vessel' is the definition.
This is the entire clue.
(Other definitions for vein that I've seen before include "Distinctive style" , "Rock fissure or minerals therein" , "Distinctive quality" , "Seam of mineral" , "Tube that carries blood to the heart" .)