II。 Arteries ■ Large arter ■ Medium- sized artery Small artery Arteriole
III. Arteries ◼ Large artery ◼ Medium-sized artery ◼ Small artery ◼ Arteriole
Medium-Sized artery Muscular elial Internal elastic lamina External elastic amir
Medium -sized artery Muscular A
Medium-sized artery Muscular Structural characters 1. Very much(10-40 layers) smooth muscle cells intermingled with collagenous F, elastic F 2. Very evident internal and external elastic lamina 3. Very defined 3 layers a Function regulate blood flow to various organs
Medium-sized artery ◼ Structural characters 1. Very much (10~40 layers) smooth muscle cells intermingled with collagenous F., elastic F. 2. Very evident internal and external elastic lamina 3. Very defined 3 layers ◼ Function regulate blood flow to various organs Muscular A
Large artery elastic a ★
Large artery elastic A
Large artery elastic a Structural characters I. tunica media consists of elastic membranes mainly abundant (40-70 layers)elastic laminas and a few smooth muscle cells in media 2. internal and external elastic membranes are not prominent 3. three layers are not distinguished
◼ Structural characters 1. tunica media consists of elastic membranes mainly abundant (40~70 layers) elastic laminas and a few smooth muscle cells in media 2. internal and external elastic membranes are not prominent 3. three layers are not distinguished Large artery elastic A