Mammal vs Melatonin - What's the difference?
mammal | melatonin |
An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young.
(paleontology) A vertebrate with three bones in the inner ear and one in the jaw.
A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals
Any material similar in its chemistry and effect to the natural hormone.