Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 9 - Cell Communication - Review Questions - Synthesize: 2a

Answer

Paracrine with some autocrine aspects.

Work Step by Step

Paracrine signals only a shorter distance, which is true for Netrin-1, but it also affects the cells which secrete it since it comes from crypt-region epithelial cells and affects all epithelial cells lining the gut, including those which secrete it.
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