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Question 20N.3.SL.TZ0.18a.ii

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.3.SL.TZ0.18a.ii
Level SL Paper 3 Time zone TZ0
Command term Identify Question number a.ii Adapted from N/A
a.ii.
[Maximum mark: 1]
20N.3.SL.TZ0.18a.ii

The micrograph shows a section through part of the liver. The diagram illustrates the details of what is found within the marked area.

[micrograph] Micrograph of liver. https://undergraduate.vetmed.wsu.edu/courses/vph-308/histology/lab-1-histologycells-
and-organelles/liver-slide-wsu_2_052 courtesy of Patrick D. Wilson, MS, DVM, Clinical Associate Professor,
Veterinary Integrative Biosciences, College of Veterinary Medicine & Biosciences, Texas A&M University.

[diagram] Reprinted by permission from Springer Nature, Nature Reviews Immunology, “Aberrant homing of mucosal
T cells and extra-intestinal manifestations of inflammatory bowel disease” by Adams and Eksteen ©2006. https://www.nature.com/nri/

(a.ii)

Identify the blood vessel labelled Y which brings blood from the intestines.

[1]

Markscheme

(hepatic) portal vein/venule;

“Portal” alone is insufficient