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Answer for the clue "Hormone secreted by the pineal gland ", 9 letters:
melatonin

Alternative clues for the word melatonin

Word definitions for melatonin in dictionaries

Wikipedia Word definitions in Wikipedia
Melatonin is Jonathan Seet's first album, released independently in 2000.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ A synthetic form of melatonin can be bought over-the-counter at health food stores and many pharmacies. ▪ Daily injections of melatonin given at 3.30 each afternoon, entrained the rats to a 24 hour cycle. ▪ Perhaps melatonin ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
melatonin \mel`a*tonin\ n. (Physiology) A hormone secreted by the pineal gland. Chemically it is N-acety-5-methoxytryptamine. Research has indicated that there are daily rhythms in secretion of melatonin, in particular due to the depressing effect on melatonin ...

Wiktionary Word definitions in Wiktionary
n. 1 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 2 Any material similar in its chemistry and effect to ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1958, from Greek melas "black, dark" (see melanin ) + ending from serotonin . So called because its secretion is inhibited by sunlight.

WordNet Word definitions in WordNet
n. hormone secreted by the pineal gland

Usage examples of melatonin.

I was ordered three times to fly nonstop from Tokyo to New York, a flight of about the same duration, but because I was crossing ten time zones, my pineal gland secreted melatonin so abnormally that it required me four to five days to bring it back into balance.

Estrogens and progesterone are just part of a complex and closely interlinked hormonal system that includes many other hormones, including testosterone, DHEA, pregnenolone, and melatonin, to name just a few.

The treatment now included supplements of the enzyme photolyase, to correct DNA damage, and supplements of the pineal hormone melatonin, and dehydroepiandrosterone, a steroid hormone produced by the adrenal glands.

The air is thick with the smells of tobacco, brewer's yeast, and melatonin spray: Half the dotters are nursing monster jet lag hangovers, and the other half are babbling a Eurotrash creole at each other while they work on the hangover.

Thus at the end of the day he would sit down apprehensively or hopefully, and listen to what the AI had captured during the day: and mostly it was thought that he remembered thinking, but occasionally he would hear himself say, “Synthetic melatonins may be a better antioxidant than natural ones, so that there aren’t enough free radicals,” or “Viriditas is a fundamental mystery, there will never be a grand unified theory,” without having any memory of saying such things, or, often, what they might mean.

He reaches for the bottle beside the bed, dry-swallows two melatonin tablets, a capsule full of antioxidants, and a multivitamin bullet: Then he lies down on the bed, on his back, legs together, arms slightly spread.

He reaches for the bottle beside the bed, dry-swallows two melatonin tablets, a capsule full of antioxidants, and a multivitamin bullet: then he lies down on the bed, on his back, legs together, arms slightly spread.

All the way up to the large organismic issues, such as brain-wave rhythms and their relationship to the heart and other organs, or the pineal gland's ever-decreasing secretions of melatonin, a hormone that seemed to regulate many aspects of aging.

Wallet leaking credit cards and carelessly wadded bills, liquid makeup in small jars, loose-powder compact, dented lipsticks, of prescription pills, multiple vitamins, calcium and melatonin, book and cellular phone and a half-dozen felt-tip pens, and--what was this?