Liver Anatomy Quiz

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Questions and Answers

Which of the following is NOT a primary function of the liver?

  • Lipid metabolism
  • Detoxification of blood
  • Production of digestive enzymes (correct)
  • Secretion of bile

What is the basic structural and functional unit of the liver?

  • Hepatic acinus
  • Hepatocyte
  • Portal triad
  • Hepatic lobule (correct)

The diaphragmatic surface of the liver is located:

  • Medially, adjacent to the heart
  • Posteriorly, touching the vertebral column
  • Directly in contact with the diaphragm (correct)
  • Inferiorly, in contact with abdominal organs

According to the Couinaud classification, how many independent and functional segments is the liver divided into?

<p>8 (B)</p> Signup and view all the answers

Which section of the colon immediately precedes the rectum?

<p>Sigmoid Colon (C)</p> Signup and view all the answers

Which of the following is NOT a sub-section of the left lobe of the liver?

<p>Posterior (D)</p> Signup and view all the answers

What is the most common position of the appendix?

<p>Retrocecal (C)</p> Signup and view all the answers

Which of these is NOT a primary section of the colon?

<p>Cecum (B)</p> Signup and view all the answers

If the appendix is described as being 'below the cecum', what is its specific position?

<p>Subcecal (A)</p> Signup and view all the answers

Which section of the colon is located between the ascending and descending colon?

<p>Transverse Colon (C)</p> Signup and view all the answers

Flashcards

Ascending Colon

The part of the colon that ascends on the right side of the abdomen, connecting to the cecum.

Transverse Colon

The segment of the colon that runs horizontally across the abdomen.

Descending Colon

The section of the colon that travels down the left side of the abdomen.

Sigmoid Colon

The S-shaped last part of the colon before the rectum.

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Appendix Positions

Different anatomical positions of the appendix: retrocecal, subcecal, etc.

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Largest visceral organ

The liver is the largest organ located within the abdominal cavity, weighing about 1.5 kg.

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Hepatic lobules

Hexagonal structures in the liver that consist of hepatocytes surrounding a central vein.

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Liver functions

Key functions include bile secretion, blood detoxification, lipid and carbohydrate metabolism, protein synthesis, and production of uric acid and urea.

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Diaphragmatic vs Visceral surface

The diaphragmatic surface contacts the diaphragm, while the visceral surface is in contact with other abdominal organs.

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Covinaud Classification

A system that divides the liver into 8 functional segments, each with its own drainage system.

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Study Notes

Liver Anatomy

  • The liver is the largest visceral organ, weighing ~1.5kg
  • Composed of hepatic lobules, containing hepatocytes arranged around a central vein
  • Functions of the Liver:
    • Bile secretion
    • Metabolism of carbohydrates, lipids and proteins
    • Uric acid production
    • Detoxification of blood
  • Two surfaces:
    • Diaphragmatic surface: directly contacts the diaphragm
    • Visceral surface: contacts other organs

Liver Segments

  • Couinaud classification divides the liver into 8 independent and functional segments
  • Each segment has its own vascular, venous, and biliary drainage

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