Circulatory System Flashcards

1
Q

Artrioventricular Valves

A

valves between atria and ventricles. Right AV valve and left AV valve

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2
Q

Chordae Tendonae

A

tendonous chords from tip of valve to protuberance of wall of ventricle. Makes valve one-way

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3
Q

Semilunar Valves

A

pulmonary valve and aortic valve. Do not need chordae tendonae. Where blood exits the heart

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4
Q

What separates the left atrium from the right atrium?

A

interatrial septum

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5
Q

What separates the left ventricle from the right ventricle?

A

interventricular septum

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6
Q

Which ventricle is thicker?

A

left

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7
Q

Branches of the aortic arch

A
  1. brachiocephalic trunk

2. left subclavian artery

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8
Q

Subclavian arteries

A

take blood to forelimbs

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9
Q

Common Carotid Arteries

A

take blood to head

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10
Q

Branches off the Brachiocephalic Trunk

A
  1. left common carotid artery
  2. right common carotid artery
  3. right subclavian artery
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11
Q

What are the three passageways through the diaphragm

A
  1. aortic hiatus
  2. esophageal hiatus
  3. caval foramen
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12
Q

Aortic Hiatus

A

dorsal passageway between the crura for the aorta, the azygous vein, and the thoracic duct

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13
Q

Esophageal Hiatus

A

muscular part of the right crus and transmits the esophagus, vagal nerve trunks, and esophageal vessels

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14
Q

Caval Foramen

A

at the junction of the tendinous and muscular parts of the right side of the diaphragm. Caudal vena cava passes through it.

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15
Q

Unpaired Vessels coming off the aorta

A
  1. celiac artery
  2. cranial mesenteric artery
  3. caudal mesenteric artery.
    They run through the visceral (GI) system and have drainage back to liver. Blood channeled through portal system
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16
Q

Branches off Celiac Artery

A
  1. left gastric artery- stomach
  2. splenic artery- spleen
  3. hepatic artery- liver
17
Q

Portal Vein

A

anastamose of cranial and caudal mesenteric veins and other vessels

18
Q

Paired Vessels coming off descending aorta

A
  1. renal artery
  2. gonadal arteries (testicular or ovarian)
  3. external iliac arteries (to hindlimb)
  4. Internal iliac arterties (to pelvic cavity)