Chapter 4, Problem 6.8E

The abnormal narrowing of the lumen of a vein is known as _____________________.

Divide each term into its component word parts. Write these word parts, in sequence, on the lines provided. When necessary use a slash/ to indicate a combining vowel. You may not need all of the lines provided. Polyarteritis is a form of vasculitis involving several medium and small arteries at the same time. _______________ _________________ ________________ _________________

The abnormal narrowing of a blood vessel is ____________________.