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Anatomy 2 > liver > Flashcards

liver Flashcards

1
Q

liver shape

A 
largest gland
2nd largest organ after skin
wedge-shaped
the base is directed towards the right
apex is directed towards the left
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2
Q

wight of liver

A

1500g and takes aprox. 2.5% of adult body weight

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3
Q

fetus liver weight

A

twice as large because it is hemopoietic organ

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4
Q

color of liver

A

red-brown in color

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5
Q

liver location

A

right hypochondriac, epigastric and part of left hypochondriac

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6
Q

the borders of the liver

A

diaphragmatic surface: faces superiorly, anteriorly, and right laterally
visceral surface: posterior and inferior surfaces

there is no distinct demarcation between these surfaces

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7
Q

what is the porta hepatis

A

deep fissure at the inferior surface of the liver

all neurovascular structures pass through there except hepatic vein

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8
Q

structures of the porta hepatis

A

hepatic artery, hepatic ducts, hepatic nervous plexus and lymphatic vessels

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9
Q

anatomical division of lobes

A
  • right and left lobes anteriorly separated by falciform lig.
  • posterior and inferior sides containing left, right lobe, caudate lobe and quadrate lobe
  • groove for IVC, fossa for gallbladder, fissure for ligumentum venosum and fissure for ligumentum teres
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10
Q

bare area of liver

A

the only part of the liver that has no peritoneal covering (also were gallbladder lies)
- we have IVC which is near fissure of ligumentum venusum (not in bare area)

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11
Q

is there peritoneum present between gallbladder and liver?

A

no theyre directly related

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12
Q

what are the intrahepatic branches

A

right lateral
right posterior
right medial
right anterior

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13
Q

recesses (peritoneal gap)

A

subphrenic recess
subhepatic space
hepatorenal recess

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14
Q

another name of hepatorenal reccess

A

morrison’s pouch

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15
Q

why is morrison’s pouch an important demarcation

A

fluid can accumulate in the area when the patient is in the supine position (inpatients), and it would could be very serious if there is an inflammation since more fluid is produced at that point

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16
Q

the five false ligaments

A 
falciform ligaments 
coronary ligament
right triangular ligament
left triangular ligament
lesser omentum
17
Q

falciform ligament

A

the thin, sickle-shaped, fibrous structure that connects the anterior part of the liver to the anterior wall of the abdomen

18
Q

coronary ligament

A

superior and inferior coronary ligaments fuse together to form the right triangular ligament (makes up the bare area)

falciform extends to the left side to form the left triangular ligament

19
Q

the base of the falciform is the

A

round ligament

20
Q

the two true ligaments are

A

ligamentum teres hepatis

ligamentum venosum

21
Q

Ligamentum venosum

A

is a fetal remnant of the obliterated ductus venosus which was a fetal branch of the portal vein with the IVC

22
Q

Ligamentum teres hepatis

A

a remnant of the obliterated left umbilical vein that extends from the umbilicus to the left branch of the portal vein

23
Q

blood supply of liver

A

the hepatic artery divides into left and right branches

  • the right divides into anterior and posterior branches.
  • left branch divides into medial and lateral branches
24
Q

the liver receives about 80% of blood supply through the

A

portal vein

25
Q

the liver receives about 20% of blood supply through the

A

hepatic artery

26
Q

_______brings oxygenated blood to the liver

A

hepatic artery

27
Q

_______ bring food laden from abdominal viscera

A

portal vein

28
Q

hepatic artery divides into

A

right and left branches

  • right branch: divides into anterior and posterior branches
  • left branch divides into medial and lateral branches
29
Q

hepatic artery divides into

A

right and left branches

  • right branch: divides into anterior and posterior branches
  • left branch divides into medial and lateral branches
30
Q

three main hepatic veins that drain into the inferior vena cava

A

large central vein (runs between right and left halves of the liver and receives blood from each)

right and left veins that lie lateral to the central vein

Anatomy 2 (14 decks)

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