Library / English Dictionary

MELATONIN

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Hormone secreted by the pineal gland

Classified under:

Nouns denoting body parts

Hypernyms ("melatonin" is a kind of...):

endocrine; hormone; internal secretion (the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect)

Credits

 Context examples: 

This allele, which encodes melatonin receptor type 1B protein, is involved in the mediation of signal transduction.

(MTNR1B wt Allele, NCI Thesaurus)

Melatonin Secretion Induction involves initiation of activities involved in release into the bloodstream from the pineal gland of a hormone (melatonin) implicated in regulation of sleep, mood, puberty, and ovarian cycles.

(Melatonin Secretion Process, NCI Thesaurus)

Two pharmacologically distinct high affinity melatonin receptors have been identified, Mel1 and Mel2, and Mel1 class receptors Mel1A, Mel1B, and Mel1C have been cloned.

(Melatonin Receptor, NCI Thesaurus)

Melatonin helps control the body’s sleep cycle, and is an antioxidant.

(Melatonin, NCI Dictionary)

Streetlights, store front neon signs, and other light sources can suppress the sleep hormone melatonin and the natural 24-hour light-dark cycle of circadian rhythms.

(Sleeping with artificial light at night associated with weight gain in women, National Institutes of Health)

It produces and secretes melatonin.

(Pineal Parenchyma, NCI Thesaurus)

Melatonin Secretion Inhibition consists of interference with, or restraint of, activities involved in release into the bloodstream from the pineal gland of a hormone (melatonin) implicated in regulation of sleep, mood, puberty, and ovarian cycles.

(Melatonin Secretion Inhibition, NCI Thesaurus)

Previous studies carried out by international research groups, including the UGR team, have already demonstrated the powerful anti-oxidant, anti-inflammatory, and anti-obesity effects of melatonin.

(Study confirms melatonin helps burn calories and curbs weight gain, University of Granada)

This hormone binds to and activates melatonin receptors and is involved in regulating the sleep and wake cycles.

(Melatonin, NCI Thesaurus)

Those levels are even higher than increases from over-the-counter melatonin supplements.

(Artificial Light of Digital Devices Lessens Sleep Quality, The Titi Tudorancea Bulletin)