Angiology Flashcards
These are vessels that carry blood away from the heart and to the tissues
What are arteries?
Except for the pulmonary trunk, and the pulmonary arteries, arteries generally carry what type of blood
What is oxygenated blood?
The tunica intima , a thick layer of the tunica media, and the tunica adventitia are the three layers of this
What are arteries?
This inner layer of the arteries are composed to endothelium tissue and lines the inner surface of the entire cardiovascular system
What is tunica intima AKA tunica interna
The hollow core the blood flows through within the tunica intima is called the what?
What is the lumen?
This middle layer of the artery is the thickest layer is composed of smooth muscle cells and elastic fibers
What is the tunica media?
This outer layer of the artery is composed of connective tissue and some elastic tissue, and it holds the artery open and prevents the artery walls from leaking
What is the tunica adventitia a.k.a. the tunica externa
Arteries are classified in Size either as _____
or as _______.
What is the large or medium?
What is a.k.a. for large arteries?
What are elastic arteries a.k.a. conducting arteries LEC
The common carotid, subclavian, common iliacs, innominate artery are all classified as this
What are large arteries?
Large arteries conduct blood to these….
What are muscular arteries, a.k.a. medium/distributing arteries. (MMD)
Unlike large arteries, the tunica media
of these arteries contain more smooth muscle cells
What are medium arteries a.k.a. muscular arteries a.k.a. distributing arteries (MMD)
What are the two a.k.a. of medium arteries?
What are muscular arteries and distributing arteries
The abundance of this type of muscle cell gives medium arteries, the ability to change the size of the lumen…
What are smooth muscle cells?
This word means to make the lumen larger….
What is vasodilation?
This word means to make the lumen smaller
What is vasoconstriction?
The axillary, brachial and the popliteal artery’s are examples of these type of arteries
What are medium arteries a.k.a. muscular arteries a.k.a. distributing arteries MMD
These very, very small, almost microscopic type of arteries are considered to be the terminal branches of the arteries and deliver blood to the capillaries
What are arterioles….
With arterioles, they contain the same three layers as arteries, but their composition is different, in that this layer contains more smooth muscle, and less elastic tissues than arteries
What is the tunica media or middle layer
In arterioles, this layer is composed mostly of elastic tissue?
What is the tunica adventitia?
These are the smallest vessels of the human body and are neither arteries or veins, but they do contain lumen.
What are capillaries?
The function of these vessels is to carry oxygenated blood from the arterioles to the venules and to permit exchange of nutrients (O2) and waste (CO2) at the cellular level
What are capillaries?
These are small veins
that collect blood from the capillaries and drain it into the veins
What are Venules?
These vessels contain the same layers like arteries and veins, but their composition is different in that the middle layer (tunica media) is composed of just a few smooth cell fibers.
What are venules?
