Naked Science Forum

Life Sciences => Physiology & Medicine => Topic started by: bezoar on 16/08/2003 15:12:05

Title: What's the pineal gland for?
Post by: bezoar on 16/08/2003 15:12:05
When working in a substance abuse unit, we routinely got skull Xrays of our patients, and the large majority of them had calcification of the pineal gland.  I know in animals it has to do with migration patterns, but what does it do in people?  And why did almost all of our patients have calcification?  And what happens when the gland is calcified?
Title: Re: What's the pineal gland for?
Post by: chris on 18/08/2003 22:04:54
The Pineal makes melatonin, which it synthesises from serotonin, to help regulate the sleep / wake cycle.

chris

"I never forget a face, but in your case I'll make an exception"
 - Groucho Marx
Title: Re: What's the pineal gland for?
Post by: bezoar on 19/08/2003 03:29:27
So then, if the gland is calcified does it make less melatonin, and is that why the older you get the less sleep you need?  And doesn't melatonin cause nightmares?  So if your gland is overactive, then you have nightmares?  And how about night people versus day people?  I'm a person who comes alive some time after noon or so.  My Mom is wide awake in the early morning.  What causes the difference?  Does it have anything to do with the pineal functioning?

Welcome back from the honeymoon.  Seems it was rather short.  Unlike Roberth, I say the best is yet to come!