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Abdomen Anatomy > ANATOMY- The Liver > Flashcards

ANATOMY- The Liver Flashcards

1
Q

What are the two ANATOMICAL sections of the Liver?

A

Right Hepatic Lobe
Left Hepatic Lobe

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2
Q

ANATOMICAL LIVER LOBES

A
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3
Q

How is the Liver Differentiated/Divided PHYSIOLOGICALLY?

What is its Significance?

A
  • The liver is divided Physiologically Through the GALL BLADDER and IVC Fossa into the RIGHT and LEFT LOBES
  • Each lobe can be Separated into FOUR Segments (TOTAL OF 8 SEGMENTS)

-Each Segment receives its individual supply from Branches of the: PORTAL VEIN, HEPATIC ARTERY and BILIARY DRAINAGE.

  • This allows SEGMENTED LIVER RESECTION
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4
Q

PHYSIOLOGICAL LOBES/SEGMENTS

A
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5
Q

What is the CAUDATE LOBE of the Liver?

A

Located on the POSTERIOSUPERIOR part of the Liver

Lies between the IVC and a Fossa produced by the LIGAMENTUM VENOSUM

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6
Q

CAUDATE LOBE

A
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7
Q

What is the QUADRATE LOBE of the Liver?

A

Area Located between the GALLBLADDER and a Fossa produced by the LIGAMENTUM TERES

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8
Q

QUADRATE LOBE

A
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9
Q

Caudate and Quadrate Liver Lobes

A
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10
Q

What is the FALCIFORM LIGAMENT?

A

Double Layer of Peritoneum which attaches the Anterior Surface of the Liver to the Anterior Abdominal Wall (Peritoneum of the Rectus Abdominis)

It divides the Liver into Anatomical Right and Left Lobes

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11
Q

FALCIFORM LIGMAMENT

A
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12
Q

What does the FALCIFORM LIGAMENT develop from?

A
  • Remnant of the Ventral Mesentery of the Fetus
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13
Q

What is Found in the Free Edge of the FALCIFORM LIGAMENT?

A

LIGAMENTUM TERES

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14
Q

Where does the LIGAMENTUM TERES come from?

A

Remnant of the UMBILICAL VEIN

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15
Q

LIGAMENTUM TERES

A
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16
Q

What Structure connects the LIVER to the UMBILICUS?

A

LIGAMENTUM TERES

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17
Q

LIGAMENTUM TERES

A
18
Q

What Structure Attaches the LIVER to the LESSER CURVE of the Stomach?

A

LESSER OMENTUM

Contains the HEPATOGASTRIC LIGAMENT and HEPATODUODENAL LIGAMENT

19
Q

LESSER OMENTUM

A
20
Q

What Structures are Contained within the HEPATODUODENAL LIGAMENT?

A

PORTAL TRIAD

Hepatic Artery
Hepatic Portal Vein
Common Bile Duct

21
Q

HEPATODUODENAL LIGAMENT

A
22
Q

What is the PRINGLE MANOEUVRE?

A

Clamping the Hepatoduodenal Ligament- controlling bleeding from the liver

23
Q

Which Ligament attaches the Liver to the DIAPHRAGM?

A

The Coronary Ligament

24
Q

CORONARY LIGAMENT

A
25
Q

What is the PORTA HEPATIS?

A

Deep fissure in the INFERIOR Surface of the Liver

26
Q

What Structures pass through the PORTA HEPATIS?

A

Common Hepatic Duct
Hepatic Portal Vein
Hepatic Artery
Autonomic Nerves from the Hepatic Plexus

27
Q

What Vessels form the HEPATIC PORTAL VEIN?

A

Splenic Vein
Superior Mesenteric Vein

28
Q

Where is the Hepatic Portal Vein formed?

A

Posterior to the Neck of the Pancreas. (Transpyloric Plane L1)

29
Q

What Structure sits POSTERIOR to the Hepatic Portal Vein?
What separates it from the Hepatic Portal Vein?

A

IVC

Epiploic Foramen

30
Q

What is the EPIPLOIC FORAMEN?

A

Passage between the Greater Sac and Lesser Sac

31
Q

EPIPLOIC FORAMEN

A
32
Q

What is the arrangement of Common Hepatic Duct, Portal Vein and Hepatic Artery in the Portal Hepatis?

A

Common Hepatic Duct (Anteriorly and to the Right)

Hepatic Artery (Anteriorly and to the Left)

Portal Vein (Posterior)

33
Q

PORTA HEPATIS

A
34
Q

Where does the Common Hepatic Artery come from?

A

Coeliac Trunk, Abdominal Aorta

35
Q

What are the Branches of the Common Hepatic Artery?

A

Right Gastric Artery
Gastroduodenal Artery
Hepatic Artery Proper

36
Q

Which artery supplies the Liver by entering the Portal Hepatis- The Common Hepatic Artery or Hepatic Artery Proper?

A

Hepatic Artery Proper

37
Q

What is the Dominant Blood Supply of the Liver?

A

Hepatic Portal Vein (75%)
Hepatic Artery Proper (25%)

38
Q

What is the Venous Drainage of the Liver?

A

Hepatic Veins drain into the IVC

39
Q

What is the HEPATIC PLEXUS?

A

Autonomic Nerve Plexus containing Sympathetic and Parasympathetic Nerve Fibres.

40
Q

How many Hepatic Veins are there?

A

THREE MAJOR HEPATIC VEINS
-Right, Central and Left Hepatic Veins

Abdomen Anatomy (13 decks)

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