Dissection of blood vessels of cat Flashcards


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1

Aorta

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largest artery in body; issuing from left ventricle

2

superior vena cava

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precava; largest, dark-colored vessel entering the base of the heart

3

inferior vena cava

post cava; enters right atrium

4

coronary arteries

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supply myocardium; can be seen on surface of heart

5

heart

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in mediastinum enclosed by pericardium

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lungs

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flanking the heart

7

thymus

superior to and partially covering the heart; large in young cats & replaced by fat in older cats

8

liver

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posterior to diaphragm

9

stomach

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dorsally located and to the left of liver

10

spleen

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flattened, brown organ curving around the lateral aspect of the stomach

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small intestine

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continues posteriorly from stomach

12

large intestine

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takes a U-shaped course around small intestine and terminates in rectum

13

aortic arch

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gives off two large vessels: left subclavian artery and brachiocephalic artery

14

brachiocephalic artery

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has three major branches:

Right subclavian artery, and right/left common carotid arteries

15

Difference between origin of left common carotid arteries in humans & cats

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In humans, the left common carotid artery & left subclavian artery are direct braches off aortic arch

16

right common carotid artery

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gives off branches to neck muscles, thyroid gland, and trachea

branches to form external/internal carotid arteries

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right subclavian artery

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gives off four branches:

vertebral artery, costocervical trunk, thyrocervical trunk, and internal thoracic artery

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vertebral artery

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along with internal carotid artery supplies the arterial circulation of the brain

19

costocervical trunk

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branches to the costal and cervical regions

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thyrocervical trunk

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branches to the shoulder

21

internal thoracic (mammary) artery

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serving the ventral thoracic artery

22

axillary artery

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when subclavian passes in front of first rib, it becomes this artery. Branches of this artery include: ventral thoracic artery, long thoracic artery, and subscapular artery which supply the trunk and shoulder muscles

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ventral thoracic artery

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to the pectoral muscles

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long thoracic artery

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to pectoral muscles and latissimus dorsi

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subscapular artery

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to trunk muscles

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brachial artery

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as axillary artery enters the arm, it becomes this artery which branches at the elbow to produce the radial and ulnar arteries

27

radial and ulnar arteries

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serve the forearm and hand

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celiac trunk

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supplies the stomach, liver, gallbladder, pancreas, and the spleen

29

superior mesenteric artery

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immediately posterior to celiac trunk

supplies the small intestine and most of large intestine

30

adrenolumnar arteries

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paired arteries diverging from aorta slightly posterior to superior mesenteric artery

supply the muscles of the body wall and adrenal glands

31

renal arteries

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paired arteries supplying kidneys

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gonadal arteries

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ovarian or testicular arteries that supply gonads

33

inferior mesenteric artery

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unpaired; thin vessel arising from ventral surface of aorta posterior to the gonadal arteries

supplies the second half of large intestines

34

iliolumbar arteries

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paired, rather large arteries that supply the body musculature in iliolumbar region

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external iliac arteries

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paired arteries which continue through the body wall & pass under the inguinal ligament to hindlimb

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internal iliac arteries

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two arteries which supply the pelvic viscera

37

Difference between iliac arteries in cat and humans

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there is NO COMMON ILIAC ARTERY in cat

38

median sacral artery

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descending abdominal aorta divides into the two internal iliac arteries and ___________

39

caudal artery

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as median sacral artery enters tail, it becomes this artery

40

femoral artery

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courses through thigh and gives off branches to thigh muscles

41

saphenous artery

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branches off femoral artery to supply medial portion of the leg

42

popliteal artery

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descends deep to knee to become this artery which gives off two branches:

sural artery and posterior tibial artery

43

sural, posterior tibial, and anterior tibial arteries

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supply the leg and foot

44

Aygos vein

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passing directly into tits dorsal surface

drains the thoracic intercostal muscles

45

internal thoracic (mammary) vein

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drains chest and abdominal wall

46

right vertebral vein

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drains spinal cord and brain

47

right and left brachiocephalic veins

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form the precava by their union

48

Difference in formation of brachiocephalic veins in humans and cats

Humans: brachiocephalic vein is formed by union of internal jugular vein and subclavian veins

Cats: formed by union of external jugular vein and subclavian veins

49

external jugular vein

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courses anteriorly along side of neck to point where its joined on medial surface by internal jugular vein

50

Difference in cat & human jugular veins

Human: internal jugular vein is considerably larger & drains into subclavian vein

Cat: External jugular vein is larger & internal jugular vein drains into it

51

subclavian vein

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moves laterally toward the arm; becomes axillary vein

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axillary vein

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becomes this vein as it passes in front of first rib and runs through brachial plexus giving off subscapular vein

53

subscapular vein

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drains the proximal part of the arm and shoulder

54

brachial vein

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axillary vein becomes this vein as it enters the arm; receives radial/ulnar vein at the inner bend of elbow

55

radial and ulnar veins

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drain the forelimb

56

cephalic vein

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on dorsal side of the arm; communicates with brachial vein via median cubital vein in elbow then enters transverse scapular vein in shoulder

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hepatic veins

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entering postcava from liver

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adrenolumbar veins

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empty into postcava and drain adrenal glands and body wall

59

renal veins

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drain the kidneys & empties into postcava

(common to find two right renal veins)

60

gonadal veins

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testicular or ovarian veins

left vein of this venous pair enters the left renal vein anteriorly

61

Iliolumbar veins

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drain muscles of the back & empties into postcava

62

common iliac veins

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unite to form postcava

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internal and external iliac veins

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unite to form common iliac veins

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internal iliac veins

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receive branches from pelvic organs and gluteal region

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external iliac veins

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receives venous drainage from lower limb

66

deep femoral vein

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drains the thigh and external genital region

67

femoral vein

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receives blood from the thigh, leg, and foot

formed by union of great saphenous vein and popliteal vein

68

great saphenous vein

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superficial vein that courses up inner aspect of calf & across inferior portion o gracilis muscle to enter femoral vein

69

popliteal vein

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located deep in the thigh beneath the semimembranosus and semitendinosus muscles in popliteal spaces accompanying popliteal artery

70

posterior and anterior tibial veins

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drain the leg

71

hepatic portal vein

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formed by the union of the gastrosplenic and superior mesenteric veins

72

Difference between formation of hepatic portal vein in cats and humans

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Humans: formed by union of splenic and superior mesenteric veins

Cat: formed by union of gastrosplenic and superior mesenteric veins

73

Gastrosplenic vein

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carries blood from spleen and stomach

located dorsal to stomach

74

superior mesenteric vein

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large vein draining small and large intestine and pancreas

75

inferior mesenteric vein

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parallels course of inferior mesenteric artery

empties into superior mesenteric vein

76

pancreaticoduodenal vein

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anterior branch empties into hepatic portal vein

posterior branch empties into superior mesenteric vein