Carotid artery and Carotid

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

Carotid and carotid artery are semantically related. In some cases you can replace term "Carotid" with "Carotid artery", this terms are similar.

Carotid adjective - Of or relating to either of the two major arteries supplying blood to the head and neck.

Carotid artery and carotid are semantically related. You can use "Carotid artery" instead a noun "Carotid".