It comes from the heart (6)
'it comes from the heart' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for artery that I've seen before include "main line" , "Principle channel of circulatory system" , "Blood vessel such as the aorta" , "Something that could be clogged" , "M1?" .)
'it comes from the heart' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for aorta that I've seen before include "Tube" , "Principal artery" , "sort of vessel" , "This carries blood from the heart" , "Major artery of the body" .)