Chapter 4 Flashcards
What is the thickest/most dominant luminal wall layer in elastic arteries?
Tunica media
What is the tunica media in elastic arteries primarily made of?
Smooth muscle & Fenestrated elastic lamina
What is the thickest/most dominant luminal wall layer in muscular arteries?
Tunica media
What is the tunica media in muscular arteries primarily made of?
Smooth muscle
What is the thickest/most dominant luminal wall layer in arterioles?
Tunica media
What is the tunica media in arterioles made of?
Smooth muscle
Why is the endothelium of the tunica intima in elastic arteries prone to problems?
Fast moving luminal blood
Which cell type with reparative potential is found exterior to capillaries and venules?
Pericytes
Which type of vessel will divert blood away from capillary beds?
AVA
Which type of vessel allows for the pulsing of blood through true capillaries?
Metarterioles
Which cell type is found regularly with capillaries and venules only?
Pericytes
What structure supplies the cells in the tunica adventitia with the nutrients required to survive?
Vasa vasorum
Do lymphatic capillaries have pericytes?
no
Do lymphatic capillaries join together with tight junctions?
no
Do lymphatic capillary endothelial cells have attached anchoring filaments?
Yes
