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Heart
Anat 316
25
Anatomy
Undergraduate 3
04/19/2011

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Cards

Term
Systematic circulation is...
Definition
vessels serving organs and tissues of body with the exception of the lungs and liver
Term
Portal system made up of ____ vein, what does it do?
Definition
delivers nutrients from the GI tract to the liver
Term
Heart is located in the _______ _______
Definition
middle mediastinum
Term
Blood travels form right atrium to right ventricle through what valve?
When right ventricle contracts it sends blood out through?
Definition
tricuspid
pulmonary valve into pulmonary trunk
Term
The left atrium empties into left ventricle via?
Definition
Mitral valve
Term
First part of Aorta?
What's the first branch?
What does it bifurcate into?
Definition
arch of aorta
brachiocephalic artery
right common carotid and right subclavian
Term
What are the other two branches of the arch of aorta (Not including brachiocephalic)
Definition
Left common carotid
left subclavian
Term
Descending (thoracic) aorta passes through diaphragm becoming ______ ______ which bifurcates into the left and right _______ _________ arteries which supply the ______ and lower limbs
Definition
abdominal aorta
Common iliac
pelvis
Term
Pericardium has 3 layers called
Definition
Fibrous pericardium
Serous pericardium (Parietal layer and visceral layer)
Term
Another name for the epicardium of the heart (the outer layer of the heart)
Definition
visceral pericardium
Term
Heart has __ borders, __ surfaces, a ____ and an ____
Definition
4 borders, 3 surfaces, base, apex
Term
Wall of right atrium aka _____ border
the _____ border sits on diaphragm, formed mainly by right atrium and ventricle.
Definition
Right
Inferior
Term
_____ border formed by left ventricle and auricle
_____ border is where roots of great vessel arise
____ points down and is formed by the left ventricle
Definition
left
superior
apex
Term
Prominent surface features are the ______ (atrioventricular) sulcus and the _________ sulcus
Definition
coronary
interventricular
Term
Coronary sinus, fossa ovalis and right A/V orifice are found in the...
Definition
right atrium
Term
Papillary muscles are found in the ______
Definition
Ventricles
Term
What prevents flaps of tricuspid valve from evaginating into atrium?
Definition
Chordae Tendinae which are held down by papillary muscles
Term
L and R coronary arteries arise from?
Definition
Aortic sinuses
Term
Contraction of heart controlled by?
Definition
Sinoatrial Node
Atrioventricular Node
Term
Which node is in control of the other?
A-V or S-A
Definition
S-A in control
Term
Where is the S-A node located?
What is it supplied by?
Definition
in the right atrium near the superior caval opening.
Supplied by Autonomic nervous system
Term
A-V node is located...
What are the fibers called that it sends out?
This bundle bifurcates into..
Definition
lower part of interatrial septum
Atrioventricular bundle (of HIS)
left and right bundle branches which supply the ventricles
Term
Lingula is what?
Definition
Flap of lung tissue (like a tongue) that wraps anteriorly around heart
Term
Hilus
Definition
space on medial surface of lung through which the lung is serviced by vessels'Contains pulmonary branches and bronchii
Term
What causes the diaphragm to contract?
Definition
the phrenic nerves
dome is pulled down and air rushes from the mouth
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