Chapter 18.1, Problem 2QC

Summary Introduction

To review:

The tissue types composing the following layers of blood vessel walls:

1. Tunica intima

2. Tunica media

3. Tunica externa

Introduction:

The basic organizational pattern of all blood vessels is the same. They may differ in diameter as well as wall thickness. The blood vessels are tubular in nature. They are made up of many tissue layers called tunics. The tunics cover the central space known as the lumen.