Email a Friend
Print ArticleMedical Dictionary
melatonin
Pronunciation (mel′ă-tōn′in)
- a substance formed by the mammalian pineal gland, which appears to depress gonadal function in mammals and causes contraction of amphibian melanophores; a precursor is serotonin. Melatonin is rapidly metabolized and is taken up by all tissues. It is involved in circadian rhythms.
[melanophore + G. tonos, contraction, + -in]
WebMD Medical Reference from "Stedman's Medical Dictionary"
The publisher is not responsible (as a matter of product liability,
negligence or otherwise) for any injury resulting from any material contained
herein. This publication contains information relating to general principles of
medical care which should not be construed as specific instructions for
individual patients. Manufacturers’ product information and package inserts
should be reviewed for current information, including contraindications,
dosages and precautions.
Stedman’s Medical Dictionary 28th Edition, Copyright© 2006_Lippincott Williams & Wilkins. All rights reserved.
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
To avoid injury before you hit the gym, personal trainer, Aaron Small, PhD offers these hamstring and calf stretches.
Most Popular Stories
WebMD does not provide medical advice, diagnosis or treatment.