Acinar Zones
Study material on Acinar Zones
- Liver Histology and Physiology: Structural Units and Acinar Zones — Notes
- Liver Histology, Physiology and Pathology — Practice Questions
- Liver Histology, Physiology and Pathology — Practice Questions — Essay Questions
- Liver Histology, Physiology and Pathology — Practice Questions — Essay Questions
- Weekly Liver Histology and Physiology Exam - March 7, 2026 (Section A: MCQs)
Practice questions on Acinar Zones
Which acinar zone receives the highest concentration of oxygenated blood?
- Zone 1
- Zone 2
- Zone 3
- Zone 4
Answer: A. Zone 1 (periportal) is closest to the hepatic artery and portal vein branches, receiving the best oxygenation.
Acinar zones are numbered 1 through 3 based on:
- Distance from the central vein
- Order of bile flow
- Alphabetical order
- Order of blood contact/oxygenation
Answer: D. Zones are numbered based on the sequence in which blood flows through them from the portal triad (1) to the central vein (3).