An artery, only an arteriole can be smaller
the small arteries are called arterioles
a vein could be considered a smaller artery, they are smaller and take blood to the heart and arteries take it to the heart.
Axillary artery
An artery in the leg is called the "femoral artery."
superior Mesenteric artery
Superior mesenteric artery.
This artery is called the Aorta. It is the largest artery in the body.
ductus arteriosum
An arteriole is one of the small branches of an artery, especially one which connects with capillaries.
yes
The Jugular Artery
obtuse marginal artery