Carotid and Carotid artery

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. In some cases you can use "Carotid artery" instead a noun "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. Sometimes you can replace term "Carotid" with "Carotid artery", this terms are similar.