Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 41 - Self-Quiz - Page 740: 4



Work Step by Step

About the midpoint in the menstrual cycle, the rise in the level of estrogen causes the anterior pituitary to release a large amount of luteinizing hormone (LH). This triggers the primary oocyte to complete meiosis and cytoplasmic division. The follicle also balloons and bursts, releasing the ovum.
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