melatonin
melatonin
Definition
mela·to·nin (mel′ə tō′nin)
noun
a hormone, CHNO, produced by the pineal body, that lightens skin pigmentation, inhibits estrus, etc.: its secretion is inhibited by sunlight
Etymology: mela(no)- + ton(ic) + -in
melatonin
Usage Examples
Converse of object
- secrete: People with SAD may respond to a decrease in light by secreting more melatonin than people without SAD.
- suggest: Melatonin Years ago, a preliminary study suggested that melatonin may help stabilize the condition of some people with advanced cancers.
- produce: The magnets in the pillow stimulate the brain to produce more melatonin.
- call: This assists your brain to produce a chemical called melatonin, a natural sedative.
- take: Then began taking the fifth cranial melatonin versus placebo skyrocketing adding to.
- give: One study gave melatonin at night in combination with the drug triptorelin to men with metastatic prostate cancer.
Preposition: at
- night: Serotonin is further converted into melatonin at night to promote sleep.
Adjective modifier
- exogenous: The efficacy and safety of exogenous melatonin for primary sleep disorders: A meta-analysis.
- less: The less melatonin there is, the higher the chance of an ovulation.
Modifies a noun
- secretion: One case showed that propranolol, a melatonin secretion blocker, given in the morning helped lift SAD symptoms by shifting the circadian rhythm.
- supplement: And perhaps they'll find it with melatonin supplements.
- production: Davis et al report a reduction in night-time melatonin production in women exposed to elevated magnetic fields in the home.
- level: Adults with insomnia have been shown to have lower melatonin levels.
- hypothesis: We must wait for more data before ascribing too much strength to the melatonin hypothesis of SAD.
- supplementation: It did suggest there is no current rationale for melatonin supplementation in people with fibromyalgia.
Noun used with modifier
- hormone: It releases the hormone melatonin which acts on the ovaries to inhibit the estrus cycle.
- sleep: All of these contain the amino acid tryptophan which helps your body produce the sleep hormone melatonin.
Preposition: in
- treatment: A new study has unlocked the key role of melatonin in the treatment of cancer.
- body: Levels of melatonin in the body fluctuate with the cycles of night and day.
Preposition: for
- disorder: The efficacy and safety of exogenous melatonin for primary sleep disorders: A meta-analysis.
Browse dictionary entries near melatonin
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