Why is the thymus called the “shrinking gland”?

Other Sources of Hormones Read more from
Chapter Endocrine System

The thymus is largest during infancy. It reaches its maximum effectiveness during adolescence after which time the size of the gland begins to decrease. By age 50, the thymus gland has atrophied to a fraction of its original size and is replaced by adipose tissue.


This is a web preview of the "The Handy Anatomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App