Arterial blood vessel and Carotid artery

Arterial blood vessel noun - A blood vessel that carries blood from the heart to the body.

Carotid artery and arterial blood vessel are semantically related. In some cases you can replace phrase "Carotid artery" with "Arterial blood vessel", this phrases are similar.

Carotid artery noun - Either of two major arteries of the neck and head; branches from the aorta.

Arterial blood vessel and carotid artery are semantically related. You can use "Arterial blood vessel" instead a noun phrase "Carotid artery".