Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What are the three major types of blood vessels
|
Arteries
Veins Capillaries |
|
|
Lumen
|
The central blood containing space of all blood vessels
|
|
|
Three layers that surround the lumen
|
tunica intima
tunica media tunica externa |
|
|
Three groups of Arteries
|
Elastic
Muscular Arterioles |
|
|
Capillaries
|
the smallest blood vessel
thin walls consisting of tunica media 1mm in length lumen diamter is 8-10um most tissues except tendons and ligaments have a rich capillary supply |
|
|
Three types of capillaries
|
continuous capillaries
fenestrated capillaries sinusoids |
|
|
Tunica intima
|
the innermost layer that contacts the blood in the lumen
thin walled contains simple squamous epithelium |
|
|
Tunica media
|
middle layer that contains smooth muscle that controls the vasomotor nerve fibers of the ANS
|
|
|
Tunica externa
|
outer layer composed of collagen fibers that anchor the blood vessels
|
