lecture 6 - circulation anatomy Flashcards
What are the 3 layers of a large blood vessel (artery/vein)?
(inside) Tunica intima, tunica media, tunica adventitia (outside)
What is the thickest layer of the wall of a muscular artery?
Tunica media
What is the thickest layer of the wall of a vein?
Tunica adventitia
What structures lie within the adventitia of a blood vessel?
They blood vessels and nerves that supply the vessel wall itself
What are the histological features of the cross section of a lymph channel?
Thin walled, have valves, contain no RBCs
Why do lymph vessels have very thin walls?
The fluid within is at very low pressures
Why do lymph vessels have valves?
Allows for unidirectional flow of the extremely low pressure lymph fluid
What is the positiion of nuclei in Cardiomyocytes?
Central
Are cardiomyocytes striated or unstriated?
Striated
What are the 3 types of capillaries, in terms of leakiness?
Continuous, fenestrated, sinusoidal
Which artery is typically used for entry of catheter in a coronary angiogram?
Femoral artery
