Definition of melatonin in English:
noun[mass noun] Biochemistry
A hormone secreted by the pineal gland which inhibits melanin formation and is thought to be concerned with regulating the reproductive cycle.
- The pineal gland hormone, melatonin, is one of the endproducts regulated by the circadian system.
- Delaying sleep on weekends delays the nightly secretion of melatonin, the sleep hormone.
- Research has found the pineal hormone melatonin is low in migraine patients.
Definition of melatonin in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in India
Most popular in Pakistan