dictionary help| melatonin | medical dictionary |
<hormone>
A hormone secreted by the pineal gland.
In lower vertebrates causes aggregation of pigment in melanophores and thus lightens skin. In humans believed to play a role in establishment of circadian rhythms.
(13 Nov 1997)
melassic, melas syndrome, melastoma, melastomaceous < Prev | Next > melatonin deacetylase, melatope, Melchior syndrome
Bookmark with:      | word visualiser | Go and visit our forums  |
