Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 16 - The Reproductive System - Review Questions - Page 601: 11

Answer

d. trophoblast

Work Step by Step

The trophoblast is a layer of cells that form the outer ring of the blastocyst, and that combines with the maternal endometrium to form the placenta.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions