My husband gave me a hard time about using the word "hypothalamus" so I feel I need to clarify a little more. It's a part of my brain! More scientifically put:
The hypothalamus is a region of the brain that controls an immense number of bodily functions. It is located in the middle of the base of the brain, and encapsulates the ventral portion of the third ventricle.
Here's a picture of mine (can you tell I'm waving?):

Honey, you've got the most beautiful hypothalamus I've ever seen. Grrr, baby!
Posted by: Buzz at April 18, 2003 07:48 AM