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Anatomy > Liver, Spleen, Pancreas > Flashcards

Liver, Spleen, Pancreas Flashcards

1
Q

what is the most cranial organ in the abdominal cavity?

A

liver

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2
Q

what is the largest gland in the body?

A

liver

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3
Q

the liver’s main product is

A

bile

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4
Q

describe the texture of the liver

A

soft and friable

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5
Q

is the liver lobated

A

yes

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6
Q

what does the gall bladder do

A

stores bile produced in liver

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7
Q

between which lobes does the gall bladder sit

A

quadrate and right medial lobe

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8
Q

what holds the liver in the abdominal cavity

A

L & R triangular ligaments, coronary ligament, vena cava, esophagus, and falciform ligament

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9
Q

describe portal circulation to the liver

A

blood gets delivered to the gastrointestinal system then into venous system which is then then delivered into 2nd capillary bed in liver where it’s drained by veins back to central circulation

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10
Q

where do hepatic artery and portal vein enter the liver

A

the visceral surface of the liver at porta

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11
Q

what are the 2 capillary beds in the portal circulatory system

A

1st - abdominal wall/organs
2nd - liver hepatocytes

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12
Q

does the dog have a caudate lobe of liver?

A

yes with 2 processes - papillary process & caudate process

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13
Q

location of papillary process of caudate lobe

A

closest to left lateral hepatic lobe

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14
Q

location of caudate process of caudate lobe

A

closest to right lateral hepatic lobe

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15
Q

what is the falciform ligament

A

ventral attachment of liver to abdomen

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16
Q

is the liver covered by the ribcage in a dog

A

yes, completely covered

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17
Q

falciform ligament vs round ligament location

A

falciform ligament goes over parietal ligament to level of esophagus
round ligament goes deeply between L medial lobe and quadrate lobe

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18
Q

the round ligament is the remnant of

A

umbilical vein

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19
Q

the gall bladder empties into

A

the common bile duct which goes into the duodenum

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20
Q

the common bile duct opens into

A

the duodenal papillae (major and minor)

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21
Q

is more liver located on the left or right in dog

A

fairly symmetrical, but more is located to R of midline

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22
Q

differences in pig vs dog liver

A

pig livers are not completely covered by ribcage

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23
Q

in pigs, is more liver L or R

A

right

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24
Q

in pigs, the R kidney does NOT make contact with

A

caudate lobe of liver

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25
Q

in dogs, where does the R kidney sit

A

renal fossa or renal impression in caudate lobe

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26
Q

are horse livers highly lobated?

A

no, not as obvious as dogs or pigs

27
Q

in pigs, which liver lobe is much smaller

A

quadrate lobe

28
Q

pigs caudate lobe differences from dog

A

pigs have no papillary process, just caudate process

29
Q

where does round ligament sit in pigs

A

between quadrate and L medial lobe, but looks like it goes between R & L medial lobes because quadrate is so small

30
Q

how many times more venous blood enters the liver than arterial blood?

A

2-3 times as much

31
Q

where does majority of O2 liver gets come from

A

venous blood

32
Q

where does the caudal vena cava run (with respect to liver)

A

top of dorsal part of liver and over parietal surface

33
Q

is a pig’s liver obviously lobulated

A

yes! It has lots of connective tissue compared to other species

34
Q

liver location in horse

A

very cranial

35
Q

in horse, the L& R triangular ligaments connect

A

the liver to the body wall

36
Q

is the equine liver well protected by the ribcage?

A

yes

37
Q

in the horse, does more liver sit L or R

A

R - majority of liver located to R side of midline

38
Q

equine ribs where liver is located

A

7th to 16th or 17th

39
Q

in the horse, the liver is lifted up by

A

the ascending colon & held tight against diaphragm

40
Q

liver is what % of carnivores’ BW

A

4-5%

41
Q

liver is what % of herbivores’ BW

A

1-2%

42
Q

what species do not have gall bladders

A

horses, deer, and rats

43
Q

what lobe does the equine liver not have

A

no R medial lobe

44
Q

horses have what ligament other species don’t have

A

hepatorenal ligament

45
Q

fissures on quadrate lobe in horses appear as

A

mini lobes, and are more prominent on foals

46
Q

in horses, the coronary ligament attaches

A

the liver to the diaphragm at the point of the vena cava & esophagus penetrate & form crown-like attachment at top of liver

47
Q

where does the liver sit in the cow

A

entirely on the right as the left side is all rumen

48
Q

is the cow liver protected by ribs

A

yes completely

49
Q

the liver in the cow is supported by

A

the omasum

50
Q

do cows have a gall bladder

A

yes

51
Q

the liver in the cow comes in contact with

A

the reticulum, omasum, and dorsal cranial side of R kidney

52
Q

as a general rule, as the abdominal organs enlarge, the liver starts to turn

A

counter-clockwise

53
Q

which animal has the most obvious displacement of the liver

A

cow

54
Q

which animal has the least obviously lobated liver

A

cow

55
Q

does the caudate lobe have papillary and caudate process in cow

A

yes

56
Q

which animals have a papillary and caudate process

A

cow and dog. Horse and pig just have caudate

57
Q

in the cow, the ??????? divides the L hepatic lobe from the quadrate lobe

A

falciform & round ligament

58
Q

do ruminants have a defined hilus on their spleen

A

yes

59
Q

spleen has 2 sides - one faces _____ and one faces _______

A

stomach & intestines

60
Q

what is the hilus on spleen

A

location where artery and vein enter organ. In species other than the cow, it is more distributed along the visceral surface

61
Q

in the dog and cat, the spleen is shaped like

A

a dumbbell (ish). Has enlargements on both ends and a narrowing in the middle

62
Q

spleen blood supply branches off

A

splenic artery

63
Q

what kind of attachment does the ruminant spleen have

A

retroperitoneal

64
Q

does the spleen have a capsule

A

yes - in some species it’s strong and muscular, but in ruminants its not

Anatomy (41 decks)

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