Allen discovered estrogen in follicles surrounding what?
The liver
The heart
The ovum
The muscles
Answer
Allen discovered estrogen in follicles surrounding the ovum, the egg cell. The ovum is the female reproductive cell, and estrogen is a female sex hormone. Allen's discovery helped to explain the role of estrogen in the menstrual cycle and fertility.
The Alluring World of Edgar Allen: An Exciting English Quiz on the Father of Anatomy and Physiology