A & P II LAB: Heart + Arteries

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47 Terms

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Right Atrium

receives deoxygenated blood from 3 veins

  • superior vena cava

  • inferior vena cava

  • coronary sinus

pushes blood down into the right ventricle

<p>receives deoxygenated blood from 3 veins </p><ul><li><p>superior vena cava</p></li><li><p>inferior vena cava </p></li><li><p>coronary sinus</p></li></ul><p>pushes blood down into the right ventricle </p>
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Left Atrium

receives freshly oxygenated blood from the pulmonary veins

pushes blood down into the left ventricle

<p>receives freshly oxygenated blood from the pulmonary veins </p><p>pushes blood down into the left ventricle </p>
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Atria

receiving chambers

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Ventricles

discharging chambers

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Right Ventricle

discharges blood out the pulmonary trunk to get oxygen in the lungs

<p>discharges blood out the pulmonary trunk to get oxygen in the lungs </p>
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Left Ventricle

discharges blood out the aorta to the rest of the body

<p>discharges blood out the aorta to the rest of the body </p>
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Superior Vena Cava

deoxygenated blood from tissues above the diaphragm

<p>deoxygenated blood from tissues above the diaphragm </p>
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Inferior Vena Cava

deoxygenated blood from tissues below the diaphragm

<p>deoxygenated blood from tissues below the diaphragm</p>
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Coronary Sinus

deoxygenated blood from the heart

returns deoxygenated blood to RA

<p>deoxygenated blood from the heart</p><p>returns deoxygenated blood to RA</p>
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Pulmonary Trunk

discharges deoxygenated blood out

<p>discharges deoxygenated blood out </p>
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Right & Left Pulmonary Arteries

where pulmonary trunk splits

<p>where pulmonary trunk splits </p>
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Right & Left Pulmonary Veins

oxygenated blood from lungs

<p>oxygenated blood from lungs</p>
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Aorta

3 distinct regions around heart

  • ascending aorta

  • aortic arch

  • descending aorta

<p>3 distinct regions around heart </p><ul><li><p>ascending aorta </p></li><li><p>aortic arch</p></li><li><p>descending aorta</p></li></ul><p></p>
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Brachiocephalic Trunk/Artery

splits into right common carotid artery & right subclavian artery

<p>splits into right common carotid artery &amp; right subclavian artery</p>
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Left Common Carotid Artery

in the middle between brachiocephalic trunk & left subclavian artery

<p>in the middle between brachiocephalic trunk &amp; left subclavian artery </p>
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Left Subclavian Artery

next to left common carotid artery

<p>next to left common carotid artery </p>
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Fossa Ovalis

round depression in the wall of R. Atrium

<p>round depression in the wall of R. Atrium </p>
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Tricuspid Valve (AV valve)

3 cusps, where deoxygenated blood enters the RV

<p>3 cusps, where deoxygenated blood enters the RV </p>
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Pulmonary Semilunar Valve

where deoxygenated blood exits the RV to go into the pulmonary trunk

<p>where deoxygenated blood exits the RV to go into the pulmonary trunk</p>
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Bicuspid/Mitral Valve (AV valve)

2 cusps, where oxygenated blood enters the LV

<p>2 cusps, where oxygenated blood enters the LV</p>
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Aortic Semilunar Valve

where oxygenated blood exits the LV to go into the aorta

<p>where oxygenated blood exits the LV to go into the aorta </p>
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Choardae Tendineae

“heart strings” attached to the AV valves ]anchor the cusps of the valves to the papillary muscles

<p>“heart strings” attached to the AV valves ]anchor the cusps of the valves to the papillary muscles</p>
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Papillary Muscles

ridges of muscle attached to the choardae tendineae that help keep the valves closed when ventricles contract

<p>ridges of muscle attached to the choardae tendineae that help keep the valves closed when ventricles contract </p>
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Trabeculae Carneae

irregular ridges of muscle inside the ventricles

<p>irregular ridges of muscle inside the ventricles</p>
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Left Coronary Artery

branch off ascending aorta

  • circumflex artery

  • anterior & posterior interventricular artery

<p>branch off ascending aorta</p><ul><li><p>circumflex artery </p></li><li><p>anterior &amp; posterior interventricular artery </p></li></ul><p></p>
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Circumflex Artery

splits left atrium/ventricle

<p>splits left atrium/ventricle</p>
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Anterior Interventricular Artery

runs between the ventricles anteriorly

<p>runs between the ventricles anteriorly </p>
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Posterior Interventricular Artery

runs between the ventricles posteriorly

<p>runs between the ventricles posteriorly </p>
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Right Coronary Artery

branch off ascending aorta

  • right marginal artery

<p>branch off ascending aorta </p><ul><li><p>right marginal artery</p></li></ul><p></p>
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Right Marginal Artery

runs down lateral RV

<p>runs down lateral RV </p>
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Right Common Carotid Artery

artery that splits straight off of brachiocephalic artery

<p>artery that splits straight off of brachiocephalic artery</p>
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Right Subclavian Artery

artery that splits off the side of brachiocephalic artery

<p>artery that splits off the side of brachiocephalic artery</p>
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Abdominal Aorta

aorta cross diaphragm into abdomen

<p>aorta cross diaphragm into abdomen </p>
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Celiac Trunk

large trunk off abdominal aorta that immediately splits into vessels

<p>large trunk off abdominal aorta that immediately splits into vessels </p>
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Superior Mesenteric Artery

large artery off abdominal aorta inferior to celiac trunk

<p>large artery off abdominal aorta inferior to celiac trunk</p>
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Inferior Mesenteric Artery

large artery off abdominal aorta inferior to SMA

<p>large artery off abdominal aorta inferior to SMA</p>
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Renal Arteries (R & L)

2 short, wide arteries suppling each kidney

<p>2 short, wide arteries suppling each kidney </p>
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Common Iliac Arteries (R & L)

aorta splits into 2 common iliac arteries ~ L level

<p>aorta splits into 2 common iliac arteries ~ L level </p>
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Axillary Artery

runs in armpit region

  • subclavian a. becomes this once it crosses lateral border of 1st rib

<p>runs in armpit region </p><ul><li><p>subclavian a. becomes this once it crosses lateral border of 1st rib </p></li></ul><p></p>
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Brachial Artery

once axillary artery leaves axilla

<p>once axillary artery leaves axilla</p>
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Radial Artery

brachial artery splits into forearm forearm to thumb side artery

<p>brachial artery splits into forearm forearm to thumb side artery </p>
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Ulnar Artery

runs down forearm towards pinky finger

<p>runs down forearm towards pinky finger </p>
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Superficial Palmar Arch

top arch that splits from radial to ulnar to combine in the palm

<p>top arch that splits from radial to ulnar to combine in the palm</p>
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Femoral Artery

anteromedial thigh

main blood supply to thigh muscles & femur head

<p>anteromedial thigh </p><p>main blood supply to thigh muscles &amp; femur head </p>
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Popliteal Artery

once femoral artery runs posteriorly to back of knee

<p>once femoral artery runs posteriorly to back of knee </p>
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Posterior Tibial Artery

popliteal artery splits into forearm forearm posterior leg

<p>popliteal artery splits into forearm forearm posterior leg </p>
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Anterior Tibial Artery

split off popliteal artery

supples anterior leg

<p>split off popliteal artery </p><p>supples anterior leg</p>