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Exam 1
Chapter 18 part 1
18
Anatomy
Undergraduate 3
09/13/2011

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Cards

Term
are the receiving chambers of the heart
Definition
Atria
Term
Each atrium has a protruding
Definition
auricle
Term
muscles mark atrial walls
Definition
Pectinate
Term
Blood enters right atria from
Definition
superior and inferior venae cavae and coronary sinus
Term
Blood enters left atria from
Definition
pulmonary veins
Term
mark ventricular walls
Definition
Papillary muscles and trabeculae carneae muscles
Term
Right ventricle pumps blood into the
Definition
pulmonary trunk
Term
Left ventricle pumps blood into the
Definition
aorta
Term
Pathway of Blood Through the Heart and Lungs
Definition
Right atrium  tricuspid valve  right ventricle
Right ventricle  pulmonary semilunar valve  pulmonary arteries  lungs
Lungs  pulmonary veins  left atrium
Left atrium  bicuspid valve  left ventricle
Left ventricle  aortic semilunar valve  aorta
Aorta  systemic circulation TQ!
Term
is the functional blood supply to the heart muscle itself
Definition
Coronary circulation
Term
ensure blood delivery to heart even if major vessels are occluded
Definition
Collateral routes
Term
ensure unidirectional blood flow through the heart
Definition
Heart Valves
Term
anchor AV valves to papillary muscles
Definition
Chordae tendineae
Term
valve lies between the left ventricle and the aorta
Definition
Aortic semilunar
Term
valve lies between the right ventricle and pulmonary trunk
Definition
Pulmonary semilunar
Term
is striated, short, fat, branched, and interconnected TQ
Definition
Cardiac Muscle
Term
anchor cardiac cells together and allow free passage of ions
Definition
Intercalated discs
Term
Heart muscle behave as a
Definition
functional syncytium
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