In the discussion section the authors wrote “Safaiyan et al. have suggested microglia lipofuscin was derived from ingested myelin fragments, but the study has not provided enough evidence to support this notion [13].”  a. Considering this quote, what does “ingested myelin fragments” suggest?  b.Why did you give the answer that you gave for this question? c. Does your answer to this question relate to the first sentence of the abstract and the first sentence of the background section?  Background Microglia are tissue-resident immune cells in the central nervous system. Abstract Background Microglia, the resident immune cells in the central nervous system, accrue autofluorescent granules inside their cytoplasm throughout their lifespan.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In the discussion section the authors wrote “Safaiyan et al. have suggested microglia lipofuscin was derived from ingested myelin fragments, but the study has not provided enough evidence to support this notion [13].” 

a. Considering this quote, what does “ingested myelin fragments” suggest? 

b.Why did you give the answer that you gave for this question?

c. Does your answer to this question relate to the first sentence of the abstract and the first sentence of the background section? 

Background

Microglia are tissue-resident immune cells in the central nervous system.

Abstract

Background

Microglia, the resident immune cells in the central nervous system, accrue autofluorescent granules inside their cytoplasm throughout their lifespan. 

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