AIIMS PG Entrance May 2015 – MCQ 31 – Reticular fibers

Reticular collagen fibers are seen in all tissues except?
A. Lymph node
B. Spleen
C. Thymus
D. Bone marrow

Correct answer : C. Thymus

Liver biopsy specimen stained with reticulin stain

Reticular fibers are composed of type III collagen synthesized by reticular cells.
They form a fine meshwork which acts as support in tissues like liver, bone marrow and the lymphatic system.

Image credits: Author: Nephron. Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. http://en.wikipedia.org/wiki/File:Liver_reticulin.jpg

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