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Anatomy
Cardiovascular system
29
Anatomy
Graduate
02/17/2013

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Term
Pericardium is composed of what two parts?
Definition
a fibrous portion and a serous portion
Term
What is the outer-most layer of the pericardium?
Definition
Fibrous portion
Term
What is the middle layer of the pericardium?
Definition
Myocardium
Term
What is the inner-most layer of the lining of the heart?
Definition
Endocardium
Term
The Serous pericardium consists of what two layers?
Definition
Parietal and Visceral
Term
What type of tissue is the endocardium made of?
Definition
Endothelium
Term
Which blood vessel returns blood back TO the heart?
Definition
Veins
Term
Which cavity of the heart has the thickest walls?
Definition
Left ventricle
Term
valve that separates atrium from ventricle
Definition
atrioventricular (AV) valve or cuspid valves
Term
Valve that separates the pumonary artery from the right ventricle
Definition
pulmonary valve which is a semi-lunar valve
Term
Valve that separates the aorta and the left ventricle
Definition
aortic valve which is a semi-lunar valve
Term
Blood clotting of the major coronary arteries results in what?
Definition
Myocardial infarction (death of heart cells)
Term
An artery carries blood in which direction?
Definition
Away from the heart
Term
What are the largest arteries in the body, which includes the aorta and some of it's major branches?
Definition
Elastic arteries
Term
What artery carries blood farther away from the heart to specific organs and areas of the body?
Definition
Muscular artery aka distributing arteries
Term
What type of blood vessel is also called a "resistance vessel"?
Definition
Arteriole
Term
What are the smallest type of arteries?
Definition
Arterioles
Term
what is the short connecting vessel which connects a true arteriole to the proximal end?
Definition
Metarteriole
Term
What type of regulatory valve is on the proximal end of a metarteriole?
Definition
precapillary sphincter
Term
What type of regulatory valve is on the distal end of a metarteriole?
Definition
thoroughfare channel
Term
What are the microscopic vessels which carry blood from arterioles to venules?
Definition
Capillaries
Term
What is blood flow through arterioles, venules and capillaries called?
Definition
microcirculation
Term
What is the name of the capillary that has a much larger lumen and more winding or toruous course than other capillaries?
Definition
Sinusoid
Term
What type of capillary have continuous lining of endothelial cells with only small openings?
Definition
Continuous capillaries
Term
A venule is a type of
Definition
vein
Term
The four types of arteries are;
Definition
Elastic, muscular, arteriole, and metarteriole
Term
The three layers of arteries, from inside to out are;
Definition
tunica intima, tunica media, and tunica externa
Term
The chordinae tendinae are associated with which structures?
Definition
Aortic and pulmonary semilunar valve
Term
What is the term used to describe a collection of mechanisms that influence the active and changing dynamics of blood?
Definition
Hemodynamics
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