How do you divide the term endarterial into its component word parts?

Here's how you can break down the term "endarterial" into its component parts:

* Endo- (prefix): This part means "within" or "inner."

* Arteri- (root): This part refers to an artery.

* -al (suffix): This signifies "pertaining to" or "relating to."

Therefore, "endarterial" literally means "pertaining to the inside of an artery."