6. Circulatory Ststem Flashcards
The innermost lining of a blood vessels is called what?
Tunica intima
What is the name of the blood vessels that nourish the outermost part of larger arteries?
Vasa vasorum
What are the conducting fibers in the heart called?
Purkinje fibers
What is the mesothelial lining of the heart that is NOT attached to the heart itself?
Parietal pericardium
The cells lining the inside of blood vessels are called
Endothelial cells
What is the outermost layer of a blood vessel called?
Tunica adventitia
What is the most prominent layer in arteries?
Tunica media
A vessel which lacks red blood cells, has precipitated plasma proteins and an occasional leukocyte is a (an)
Lymphatic
The type of capillary that one can find in the spleen and liver is called a?
Sinusoid
What is the wavy layer that defines the outside of the tunica intima in most large muscular arteries?
Internal elastic lamina
A vessel which is only big enough to permit the passage of a single red blood cell is known as a (an)?
Capillary
What is the most prominent layer in veins?
Tunica adventitia
What is the name of the mesothelial lining that is attached to the outside of the heart?
Viseral pericardium
What is another name for the pace maker of the heart?
Sinoatrial node
What is the middle layer of a blood vessel called?
Tunica media