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anat 316 > Blood supply and venous drainage > Flashcards

Blood supply and venous drainage Flashcards

1
Q

describe how blood gets oxygenated

A

Deoxygenated blood goes through SVC and IVC to drain into right atrium, goes through tricuspid valve into right ventricle goes through pulmonary valve to pulmonary trunk to pulmonary arteries (R and L) to the corresponding lung to get oxygenated

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2
Q

describe systemic circulation of the heart

A

oxygenated blood coming from lungs drains into pulmonary veins to the left atrium through the bicuspid valve to the left ventricle through the aortic valve to the aorta

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3
Q

describe coronary circulation of the heart

A

Blood goes from left ventricle, through aortic valve to the aortic sinus where it flows to right and left coronary arteries to supply the heart. From RCA it wraps around back of heart for posterior descending artery (marginal artery branches off in the front)
From LCA it continues down the anterior heart for the left anterior descending artery, the left circumflex artery branches off the top

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4
Q

What happens to right coronary arteries and left coronary arteries when the aortic valve is open during systole

A

the coronary arteries are blocked!

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5
Q

What happens to the right and left coronary arteries in diastole when the aortic valve is closed?

A

coronary perfusion occurs - blood can go into the right and left coronary arteries

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5
Q

describe coronary veinous drainage

A

from the right anterior the small cardiac vein drains into coronary sinus (on posterior)
from the left anterior the great cardiac vein drains into the coronary sinus
From the posterior, the middle cardiac vein drains into the coronary sinus

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6
Q

what 3 arteries come off the aortic trunk?

A

brachiocaphalic trunk, left common corotid, left subclavian,

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6
Q

what does the brachiocephalic trunk divide into

A

right common carotid and right cubclavian

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7
Q

which two arteries from aortic arch/brachiocephalic trunk supply head and neck?

A

Right and Left common carotid
(vertebral branches from the right and left subclavian too)

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8
Q

what does each common carotid turn into?

A

each common carotid artery turns into the coronary sinus (enlargement of the artery), next it bifurcates into the external and internal carotid arteries for each side

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9
Q

what is the path of the internal carotid artery

A

passes through carotid canal and contributes to the circle of willis for brain blood flow (splits into anterior and middle cerebral ateries)

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10
Q

what does the external carotid artery supply generally

A

neck, face, scalp, skull (more superficial structures)

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11
Q

What are the 8 branches of the external carotid artery in order from inferior to superior

A

Most Inferior
Superior thyroid artery
Lingual artery
Facial artery
Occipital artery
Ascending pharyngeal artery
Maxillary artery
Posterior auricular artery
Superficial temporal artery
Most superior

  • Silly Little Frogs Often Accidentally Make Poor Sounds-
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12
Q

what branch comes off the subclavian artery and supplies the head and neck?

A

R and L vertebral arteries travel through the transverse foramen of vertebrae C6-C1 and then comes out in subocipital triangle and form basilar artery for circle of willis

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13
Q

when does the subclavian artery become the axillary artery?

A

inferiro border of the first rib

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14
Q

when does the axillary artery become the brachial artery?

A

inferior border of teres major

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15
Q

What do radial and ulnar arteries supply?

A

superficial palmar arch

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15
Q

when does brachial artery bifurcate and what does it bifurcate into

A

at the cubital fossa - bifurcates into ulnar artery (proximally) and radial artery (distally)

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16
Q

What does the superficial palmar arch supply

A

digital branches

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17
Q

What branches off of the descending (thoracic) aorta

A

posterior intercostal arteries

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18
Q

What branches off subclavian and travels inferiorly?

A

internal thoracic artery

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19
Q

What branches off the internal thoracic artery?

A

anterior intercostal arteries

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20
Q

what do posterior intercostal veins drain into on RIGHT SIDE?

A

azygous vein

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21
Q

what do posterior intercostal veins drain into on LEFT SIDE?

A

Hemiazygous and accessory hemiazygoys that will then drain into azygous

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22
Q

what drains the face?

A

facial veins

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23
Q

what drains deep cranial strucrures?

A

internal jugular vein

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24
Q

where does the facial vein drain into

A

internal jugular vein

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25
Q

where does the internal jugular vein drain into

A

subclavian vein

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26
Q

what drains superficial cranial structures and deep portions of the face?

A

external jugular vein

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27
Q

what drains the anterior neck?

A

anterior jugular vein

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28
Q

which vessel does the anterior, external, and internal jugular veins drain into

A

subclavian vein

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29
Q

what does the subclavian vein drain into

A

brachiocephalic vein

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30
Q

what does basilic vein drain into?

A

axillary vein

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31
Q

what does cephalic vein drain into

A

axillary vein

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31
Q

what does brachial vein drain?

A

upper arm (btw elbow and shoulder)

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32
Q

what does brachial vein drain into?

A

axillary vein

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33
Q

What does axillary vein drain into?

A

subclavian vein

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34
Q

overall what does subclavian vein drain?

A

upper limbs

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35
Q

overall what do the brachiocephalic veins drain?

A

upper limb and head/neck

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36
Q

What veins drain into vena cava

A

R and L brachiocephalic veins (which have subclavian and internal jugular draining into them)

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37
Q

which three veins all drain into the azygous vein?

A

hemiazygos and accessory hemiazygous vein (left side) and posterior intercostal veins (right side)

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37
Q

Where does the azygous vein drain into?

A

SVC

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38
Q

What happens when the thoracic aorta pierces the diaphragm?

A

It will go through the aortic hiatus where it will become the abdominal aorta

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39
Q

how does the abdominal aorta enter the abdominal cavity?

A

by piercing diaphragm though aortic hiatus

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40
Q

what are the 3 unpaired branches of the abdominal aorta?

A

celiac trunk, superior mesenteric artery, inferior mesenteric artery

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41
Q

what are the branches of the celiac trunk?

A

left gastric artery, common hepatic artery, and the splenic artery

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42
Q

what does the left gastric artery supply?

A

lesser curvature of the stomach

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43
Q

what does the common hepatic artery supply?

A

liver

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44
Q

what does the splenic artery supply?

A

the spleen (by going behind the stomach)

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45
Q

what is the first division off the common hepatic artery?

A

gastroduodenal artery

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46
Q

what does the gastroduodenal artery supply?

A

first part of the small intestine

47
Q

what is the second branch off the common hepatic artery?

A

right gastric artery

48
Q

what does the right gastric artery supply?

A

the bottom of the lesser curvature of the stomach

49
Q

after its second branch, what does the common hepatic artery become?

A

proper hepatic artery

50
Q

what does the proper hepatic artery supply?

A

the liver

51
Q

what does the proper hepatic artery divide into?

A

the left and right hepatic arteries

52
Q

what does the cystic artery come off of?

A

the right hepatic artery

53
Q

what does the cystic artery supply?

A

the gall bladder

54
Q

what does the gastroduodenal artery split into at the the plyorus of the stomach (bottom)?

A

superior pancreaticoduodenal arteries and right grastro-omental artery

55
Q

what does the superir pancreatcoduodenal artery supply?

A

pancreas and the duodenum

56
Q

what does the rigth gastro-omental artery supply?

A

greater curvature of the stomach (go behind stomach and come out underneath it and then curves up around greater curvature)

57
Q

what comes off the splenic artery and goes to the pancreas(structure right undernreath it)

A

the pancreatic branches of the splenich artery

58
Q

what is the first vessel to come off the splenich artery after the pancreatic branches?

A

left gastro-omental artery ``

59
Q

what does the left gastro-omental artery supply?

A

the greater curvature of the stomach

60
Q

what does the short gastric artery supply?

A

the funcus (top right of stomach)

61
Q

what does the short gastric artery branch from?

A

the splenic artery

62
Q

what two arteries supply the lesser curvature of the stomach?

A

right and left gastric

63
Q

what two arteries supply the greater curvature of the stomach?

A

the left and right gastro-omental arteries

64
Q

where does the right gastro-omental artery come from?

A

gastroduodenal artery which comes from common hepatic artery

65
Q

where does right gastic artery come from?

A

common hepatic artery

66
Q

what supplies the pancreas?

A

superior pancreaticoduodenal arteries and the pancreatic branches from the splenich nerve

67
Q

what supplies the duodenum

A

the superior prancreaticduodenal artery

68
Q

what is the first branch off the SMA

A

middle colic artery

69
Q

what does the middle colic artery supply?

A

Transverse colon

70
Q

what is the first branch off the SMA

A

inferior pancreaticoduodenal artery

71
Q

what does the inferior pancreaticduodenal artery supply

A

pancreas and the duodenum

72
Q

what is the third branch (medially) off the SMA

A

right colic artery

73
Q

what does the right colic artery supply?

A

ascending colon (right side)

74
Q

what is the series of the 5 arteries coming off the SMA called?

A

jujunal arteries

75
Q

what do the jejunal arteries supply

A

the jejunum

76
Q

what artery comes off the SMA below the right colic artery

A

ileocolic artery

77
Q

what is the series ofpf 4 arteries coming off the bottom of the SMA called?

A

ileal arteries

78
Q

what does the ileocolic artery supply?

A

cecum

79
Q

what do the ilial arteries supply?

A

ileum

80
Q

what do both the ileal and the jujunal arteries branch into?

A

arterial arcades

81
Q

what do the aererial arcades give off?

A

vasca recta

82
Q

what does the vasa rfecta supply?

A

the intestines

83
Q

Which of the ileal and the jejunal arteries has more arcades?

A

ileum (more inferior)

84
Q

what branches off of the ileocolic artery

A

appendicular artery

85
Q

what three arteries (in order from superior to infeiror) come off the IMA

A

left colic
sigmoid arteries
superior rectal arteries

86
Q

what does the left colic artery supply?

A

descending colon

87
Q

what does the sigmoid arteries supply?

A

sigmoid colon

88
Q

what does the superior rectal artery supply?

A

rectum

89
Q

what connects the SMA and the IMA

A

marginal artery of drummond

90
Q

what are the paired branches of the abdominal aorta?

A

right renal artery and the left renal aretry

91
Q

which renal artery is longer and why

A

right renal artery is longer because it has the travel under the inferior vena cava

92
Q

what does the abdominal artery bifurcate into?

A

common iliac arteries (2)

93
Q

what is the lateral branch of the common iliac artery

A

external iliac artery

94
Q

what does external iliac artery supply

A

lower limb

95
Q

what is the medial branch of the common iliac artery?

A

internal iliac artery

96
Q

what does the internal iliac artery supply

A

the pelvis

97
Q

what are the two divisions of the internal iliac artery

A

posterior division and the anterior division

98
Q

what does the posterior division of teh internal iliac artery supply?

A

the pelvic muscles

99
Q

what does the anterior division of the internal iliac artery supply

A

the pelvic viscera

100
Q

what does the IMC come off of?

A

the left side of the abdominal aorta

101
Q

what does the external iliac artery become once it passess through the inguinal ligament?

A

the femoral artery

102
Q

what is the first branch to come fof the femoral artery?

A

the deep femoral artery

103
Q

what does the femoral artery become once it passes through the adductor hiatus?

A

the popliteal artery (posterior side of leg)

104
Q

what are the first two arteries (pair) that comes off the popliteal artery as it travels down psoterior knee

A

superior genicular aretries

105
Q

what is the second major pair of arteries that comes off the popliteal artery?

A

inferior genicular arteries

106
Q

what is artery comes off the popliteal artery by going through the interosseus membrane?

A

the anterior tibial artery

107
Q

what does the popliteal artery bifurcate into at the top of leg (below knee)

A

posterior tibial artery (medial) and fibular artery (lateral)

108
Q

what is the main vein that drains the lower limb?

A

the IVC

109
Q

what vein drains the liver to the IVC

A

the hepatic veins

110
Q

what drains the GI tract?

A

the poral vein

111
Q

where does the splenic vein drain into

A

the portal vein (meets up with inferior mesenteric vein to do so)

112
Q

where does the inferior mesenteric vein drian into?

A

the portal vein (meets up with splenic vein to do so)

113
Q

what does the splenic vein drain

A

the spleen

114
Q

what does the IMV drain?

A

large intestine

115
Q

what does the SMV drain into

A

portal vein

116
Q

what does the SMV drain

A

small intestine

117
Q

what drains the right kidney

A

right renal vein

118
Q

what drains the left kidney

A

left renal vein

119
Q

which two medial veins form the external iliac vein

A

femoral vein and the great saphenous vein (most medial)

120
Q

which two veins drain into the poplital vein?

A

posterior and anterior tibial veins

121
Q

which two veins drain the leg?

A

posterior and anterior tibial veins

anat 316 (22 decks)

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