Heart Lab Bio 221
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58 Terms
Artery definition:
A blood vessel that carries blood away from the heart.
Vein definition:
A blood vessel that carries blood toward the heart.
Most arteries carry:
Oxygenated blood
Most veins carry:
Deoxygenated blood
Exceptions to artery/vein blood oxygenation:
Pulmonary arteries carry deoxygenated blood; pulmonary veins carry oxygenated blood.
Most arteries are colored:
Red in illustrations/models
Most veins are colored:
Blue in illustrations/models
Path of blood through the heart (start at right atrium):
Right atrium \to tricuspid valve \to right ventricle \to pulmonary semilunar valve \to pulmonary trunk—> pulmonary artery \to lungs \to pulmonary veins \to left atrium \to bicuspid (mitral) valve \to left ventricle \to aortic semilunar valve \to aorta \to body \to superior/inferior vena cava \to right atrium
Openings that bring blood into the right atrium:
Superior vena cava
Inferior vena cava
Coronary sinus
Number of openings: 3
Structure separating right and left ventricles:
Interventricular septum
Coronary artery supplying the anterior surface of the left ventricle:
Left anterior descending (LAD) artery
Coronary artery supplying the lateral surface of the left ventricle:
Circumflex artery
Coronary artery supplying the right ventricle:
Right coronary artery
Blood returning from the coronary circulation enters:
Right atrium
Openings in the left atrium:
Number: 4
Names: Left and right superior pulmonary veins, left and right inferior pulmonary veins
Heart valves table:
Heart Valves
Valve Type | Right Side | Left Side |
|---|---|---|
Atrioventricular (AV) | Tricuspid valve | Bicuspid (Mitral) valve |
Semilunar | Pulmonary semilunar | Aortic semilunar |
What is this?
Aorta (4)
What is this?
SA node (73)
What is this?
Right atrium
What is this?
Left atrium
What is this?
Left ventricle
What is this?
Right ventricle
What is this?
Apex
What is this?
Myocardium
What is this?
Myocardium
What is this?
Tricuspid valve
What is this?
Mitral valve
What is this?
Septum
What is this?
Papillary muscle
What is this?
Papillary muscle
What is this?
Chordae tendinae
What is this?
Chordae tendinae
What is this?
Pulmonary trunk (10)
What is this?
Right atrium
What is this?
Left atrium
What is this?
Apex
What is this?
Left pulmonary artery (12)
What is this?
Right pulmonary arteries
What is this?
Right pulmonary veins
What is this?
Left pulmonary veins
What is this?
Inferior vena cava
What is this?
Pulmonary semilunar valve
What is this?
Aortic semilunar valve
What is this?
Ligamentum arteriosum
What is this?
Opening to coronary sinus
What is this?
Interventricular sulcus
What is this?
Right coronary artery
What is this?
Left coronary artery
What is this?
Coronary sinus (36)
What is this?
Circumflex artery (50)
What is this?
Ascending aorta
What is this?
Aortic arch
What is this?
Descending arch
What is this?
Anterior interventricular artery (49)
What is this?
Marginal artery (47)
What is this?
Great cardiac vein (37)
What is this?
Superior vena cava (4)
Note 
Flashcards (179)