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S + F 2 > liver and pancreas anatomy > Flashcards

liver and pancreas anatomy Flashcards

(51 cards)

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1
Q

function of liver

A

many functions such as excretion, detoxification, storage

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2
Q

which side does the liver lie on?

A

right

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3
Q

2 surfaces of the liver and explain

A
  • diaphragmatic: concave towards viscera (lies against and impressed by the stomach)
  • visceral: marked by PORTA of liver
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4
Q

what is the porta of the liver?

A

where bile duct, portal vein and hepatic vessels enter and leave

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5
Q

Name the lobes of the liver

A
  • quadrate
  • right medial
  • right lateral
  • caudate process of caudate lobe
  • papillary process of caudate lobe
  • left lateral
  • left medial
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6
Q

Name the lobes of the liver

A
  • quadrate
  • right medial
  • right lateral
  • caudate process of caudate lobe
  • papillary process of caudate lobe
  • left lateral
  • left medial
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7
Q

what lobes of the liver do ruminants not have?

A

left and right later and medial lobes

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8
Q

what lobes of the liver do pigs not have

A

papillary process

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9
Q

what lobes of liver do horses and rabbits not have?

A

horses: right later and medial, papillary process
rabbit: right and left medial

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10
Q

describe the position of the liver

A
  • cranial part of the abdomen
  • cranial to the liver is diaphragm
  • caudal to liver is stomach, intestinal mass and right kidney
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11
Q

location of the liver in dogs

A

fills space between 7th and 9th ribs

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12
Q

liver biopsy area in dogs

A

puncture caudal to xiphoid process

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13
Q

location of liver in horses

A

lies completely within the ribcage caudal margin reaches 15th intercostal pace

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14
Q

liver biopsy area in horses

A

right side = 12th intercostal space between tuber coxae and point of shoulder
left side= 8th intercostal space at level of deltoid tuberosity

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15
Q

location of liver in cow

A

reaches dorsally as far as last rib

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16
Q

liver biopsy area in cows

A

only right side, at 10th intercostal space, quarter way down ribs

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17
Q

each lobe of the liver is covered by what?

A

serosa: visceral peritoneum

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18
Q

peritoneal folds in the liver have what function?

A

carries blood vessels, nerves and lymphatics

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19
Q

name the 7 ligament liver attachments

A
  • falciform
  • round
  • hepatoduodenal
  • hepatogastric
  • right triangular
  • left triangular
  • coronary
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20
Q

where is the falciform ligament in the liver

A

between liver and diaphragm and ventral abdomen wall

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21
Q

where is round ligament in liver and what does it contain

Study These Flashcards
A

next to the falciform ligament, contains umbilical vein remnants

22
Q

heptatoduodenal and hepatogastric ligaments are the division of what attachment of the liver

Study These Flashcards
A

lesser omentum

23
Q

where is hepatoduodenal ligament

Study These Flashcards
A

between liver and duodenum

24
Q

where is hepatogastric ligament

Study These Flashcards
A

between liver and stomach

25
where is coronary ligament found in liver
parietal surface, surrounds caudal vena cava and attaches liver to central tendon of the diaphragm
26
where are right and left triangular ligaments found in he liver
extend dorsal part of liver on each side of diaphragm
27
liver has dual blood supply, name the 2
- hepatic artery - hepatic portal vein
28
what does the heptatic artery carry?
fresh oxygenated blood
29
what does the hepatic portal vein carry?
nutrient-rich blood from unpaired organs
30
what is the role of the portal vein in the liver
recieves venous blood from the unpaired oragsn such as stomach, pancreas, intestine , this blood goes into the hepatic portal vein
31
what vein does all the blood go into in the liver and then where does it go?
central vein of hepatic lobules then into caudal vena cava and to the heart
32
describe innervation of the liver
-innervated by both sympathetic and parasympathetic nerve - receives fibres from VAGAL TRUNK and sympathetic AXONS from CELIAC PLEXUS/ganglian
33
what is the hepatic lobule and what shape is it
anatomic unit of the liver, basic structure. Hexagon
34
what is at each corner of the hepatic lobule? what is this referred to?
- arteriole from the hepatic artery - venule from the portal vein - small bile duct portal triad
35
each portal triad can supply blood where?
several adjacent hepatic lobules
36
describe how the portal triad works
- arteriole and venule empty blood into spongy lobule - blood capillary beds run between portal triad and the central vein - the capillary beds carrying the blood are lined with leaky endothelium called LIVER SINUSOIDS - blood flowing into lobule i drained out via central vein, marking beginning of the drainage circulation via the hepatic vein, caudal vena cava leading to the heart
37
Describe how the bile duct works in the liver
- bile produced by sheets of HEPATOCYTES - discharged into BILE CANALIULI - hepatic duct->cystic duct->bile duct
38
where is the pancreas located
dorsal part of abdominal cavity, in close contact with stomach and liver
39
Name the 3 parts of the pancreas
- body - right lobe - left lobe
40
where is the body of the pancreas?
in contact with pylorus
41
where is the right lobe of the pancreas located?
just inside the mesoduodenum next to descending duodenum
42
where is the left lobe of the pancreas located?
deep in leaf of greater omentum
43
bloody supply of the pancreas
coeliac and cranial mesenteric artery
44
Name the 2 ducts of the pancreas
- pancreatic duct (greater) - accessory duct (lesser)
45
where does the pancreatic duct of the pancreas open?
into duodenum together or just beside the bile duct
46
where does the accessory duct open in the pancreas?
opposite the pancreatic duct
47
what is the sphincter of oddi?
in odgs, bile ducts enters dueodenum at major duodenum pappila, adjacent to the pancreatic duct. smooth ,muscles fibres surround the 2 ducts s they emerge into the duodenum, this forms the sphinter of oddi
48
in horses, where does the bile and pancreatic duct open into?
at the bend of the duodenal sigmoid flexure
49
what duct of the pancreas are pigs missing?
pancreatic
50
what duct of the pancreas in the sheep missing?
accessory
51
what duct of the pancreas do dogs and ox sometimes have missing?
pancreatic

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