Changes

==Pineal Gland==

==Pineal Gland==

The pineal gland is a central gland that rests squarely above the [[superior colliculous]]. It was believed by [[Descartes]] that the soul communicated with the body by pumping [[cerebrospinal fluid]] through the body.  

The pineal gland is a central gland that rests squarely above the [[superior colliculous]]. [[Descartes]] believed that the soul communicated with the body by using the pineal gland to pump [[cerebrospinal fluid]]; however, this assertion was based on Descartes' mistaken belief that only humans had pineal glands. In fact, many animals do as well.  

[[category:anatomy]]

[[category:anatomy]]