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Comparative Anatomy > Vessels and Nerves of the Abdominal Viscera > Flashcards

Vessels and Nerves of the Abdominal Viscera Flashcards

1
Q

The vagus nerve leaves the cranial cavity via…

A

Tympano-occipital fissure

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2
Q

What branches from the vagus nerve over the base of the heart

A

The recurrent laryngeal nerve

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3
Q

The right and left vagus nerves divide caudal to the root of the lung into…

A

Dorsal and ventral branches

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4
Q

The dorsal branches of the vagus nerve unite near the diaphragm to form…

A

The dorsal vagal trunk

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5
Q

The ventral branches of the vagus nerve unite caudal to the root of the lung to form…

A

The ventral vagal trunk

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6
Q

What does the ventral vagal trunk supply

A

The liver, parietal surface of the stomach and the pylorus

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7
Q

The dorsal vagal trunk gives off ____ branch and contributes to the formation of ____

A

Celiac; celiac and cranial mesenteric plexuses

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8
Q

Where does the dorsal vagal trunk continue to and supply

A

Along the lesser curvature of the stomach to supply the visceral surface of the stomach, including the pylorus

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9
Q

What three abdominal aortic nerve plexuses were dissected

A

Celiac, cranial mesenteric and caudal mesenteric

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10
Q

The nerve plexuses dissected contain…

A

Parasymp preganglionic axons, symp visceral efferent, and visceral afferent processes

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11
Q

What artery did we come across when looking for the sympathetic trunk

A

Deep circumflex iliac artery

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12
Q

Where do most of the preganglionic axons in the sympathetic trunk pass at the level of T10-13

A

Into splanchnic nerves

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13
Q

Splanchnic nerves contain ___ axons

A

Sympathetic

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14
Q

Where does the major splancnic nerve leave the sympathetic trunk

A

The 12th/13th thoracic sympathetic ganglion

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15
Q

Where does the major splancnic nerve go to

A

The adrenal and celiacomesenteric ganglia and plexus

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16
Q

Where does the minor splancnic nerve leave the sympathetic trunk

A

The last thoracic and first lumbar sympathetic ganglion

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17
Q

The minor splancnic nerve supplies the…

A

Adrenal gland

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18
Q

The minor splancnic nerve terminates in…

A

The celiacomesentaric plexus

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19
Q

The lumbar splancic nerves arise from ___ and are distributed to ___

A

2-5 lumbar sympathetic ganglion; aorticorenal, cranial mesenteric and caudal mesenteric ganglia and plexus

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20
Q

Each lumbar artery extends dorsally and terminates in…

A

A spinal and dorsal branch

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21
Q

What do the spinal branches of lumbar arteries supply

A

The spinal cord

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22
Q

What do the dorsal branches of the lumbar arteries supply

A

The muscles and skin above the lumbar veterbrae

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23
Q

What are the 3 branches of the celiac artery

A

Hepatic, left gastric and splenic

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24
Q

The hepatic artery passes to the liver in the…

A

Hepatoduodenal ligament

25
Q

How many branches leave the hepatic artery to supply the liver

A

1-5

26
Q

What is the cystic artery

A

It leaves the last hepatic branch to supply the gallbladder

27
Q

When/what/where does the hepatic artery terminate in

A

After giving off branches to the liver, it terminates as the right gastric and gastroduodenal arteries in the lesser omentum

28
Q

What does the left gastric artery supply

A

Both surfaces of the stomach

29
Q

What are the two branches of the splenic artery

A

Dorsal and ventral

30
Q

What branch of the splenic artery supplies the stomach and how

A

Dorsal (some variations will be ventral); it has a few short gastric arteries that course in the gastrosplenic ligament, and it continues as the left gastroepiploic artery on the greater curvature of the stomach

31
Q

What 3 arteries arise from a common trunk from the cranial mesenteric artery

A

Middle colic, right colic and ilocolic

32
Q

What do the branches of the middle colic artery supply

A

The descending and transverse colon

33
Q

What does the iliocolic artery supply

A

Ileum, cecum, ascending colon (colic branch)

34
Q

What other artery (not from the common trunk) arises from the cranial mesenteric

A

Caudal pancreaticoduodenal and jejunal arteries (caudal side)

35
Q

What does the caudal pancreaticoduodenal artery supply

A

Descending duodenum and right lobe of pancreas

36
Q

The cranial mesenteric artery is terminated by…

A

Ileal arteries

37
Q

The common trunk of what 2 arteries is paired

A

Caudal phrenic and cranial abdominal

38
Q

What does the caudal phrenic artery supply

A

The diaphragm

39
Q

The adrenal gland may receive branches from…

A

The aorta, caudal phrenic, renal or lumbar arteries

40
Q

What renal artery is more cranial than the other

A

The right

41
Q

What do the testicular artery, vein and nerve lie in

A

The mesorchium

42
Q

The right testicular and ovarian veins enter…

A

The caudal vena cava

43
Q

The left testicular and ovarian veins enter…

A

The left renal vein

44
Q

What are 2 branches of the caudal mesenteric artery

A

Left colic and cranial rectal

45
Q

What does the deep circumflex iliac artery supply

A

The musculature of the caudodorsal portion of the abdominal wall, and the skin of the caudal abdominal area, the flank and the cranial thigh

46
Q

The portal vein

A

Carries the venous blood to the liver from abdominal viscera

47
Q

Where can the portal vein be found

A

In the hepatoduodenal ligament at the ventral border of the epicloic foramen

48
Q

What does the gastroduodenal vein drain

A

Pancreas, stomach, duodenum and greater omentum

49
Q

What does the splenic vein drain

A

Spleen, stomach, pancreas and greater omentum

50
Q

The splenic vein receives…

A

The left gastric vein

51
Q

The left gastric vein drains…

A

The lesser curvature of the stomach

52
Q

What does the cranial mesenteric vein drain

A

Jejunum, ileum, caudal duodenum and right lobe of pancreas

53
Q

What does the caudal mesenteric vein drain

A

Cecum and colon

54
Q

What does the portal vein divide into as it enters the liver

A

Short right and long left

55
Q

The right branch of the portal vein supplies…

A

The right lateral lobe and caudate process of the caudate lobe

56
Q

The 2 vagal trunks pass through ___ and course along ___

A

The esophageal hiatus; the lesser curvature of the stomach

57
Q

What are sinusoids

A

Special capillaries that receive blood from terminal branches of the hepatic artery and hepatic portal vein and deliver it into central veins

58
Q

The splanchnic nerves carry fibers of…

A

Autonomic nervous system and sensory fibers from organs (visceral afferent fibers)

Comparative Anatomy (27 decks)

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