Home > Terms > English, UK (UE) > Melatonin

Melatonin

A hormone secreted by the pineal gland in inverse proportion to the amount of light received by the retina, important in the regulation of biorhythms: in amphibians, it causes a lightening of the skin.

This is auto-generated content. You can help to improve it.
0
Improve it
More
Collect to Blossary

Other Languages:

More

Member comments

You have to log in to post to discussions.

Related terms

melatonin
Health care; Cancer treatment

A hormone made by the pineal gland (tiny organ near the center of the brain). Melatonin helps control the body’s sleep cycle, and is an antioxidant. It is also made in the ...

melatonin
Biology; Access control systems

a hormone secreted by the pineal gland in inverse proportion to the amount of light received by the retina, important in the regulation of biorhythms: in amphibians, it causes a ...

melatonin
Health care; Sleep disorder

A hormone secreted by the pineal gland that is derived from the amino acid tryptophan, which helps synchronize biological clock neurons in the suprachiasmatic nucleus.

melatonin
Medical; Health care; Medicine

A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the pineal gland. Its secretion increases in darkness and decreases during exposure to ...

melatonin
Science; General science

A hormone derived from serotonin and secreted by the pineal gland and retinas of vertebrates. Melatonin secretion by the pineal is linked to the dark–light cycle of the organism’s ...

melatonin receptor
Medical; Health care; Medicine

A family of G-protein-coupled receptors that are specific for and mediate the effects of melatonin. Activation of melatonin receptors has been associated with decreased ...

hdmi
Computer; Consumer electronics; Access control systems

High-Definition Multimedia Interface is a digital media interface for electronics devices to transfer higy quality audio and video with a single cable.

graphics controller
Computer; Access control systems

A term used to describe a computer's graphics hardware.

graphics card
Computer; Access control systems

A graphics card is a computer card dedicated solely to rendering graphics such as images or video. The graphics card determines the number of colors, refresh rate and resolution ...

firewall
Computer; Access control systems

A software or hardware boundary that keeps computers on the Internet private. Firewall software prevents external users from coming to a secure site, and keeps users inside the ...

firmware
Computer; Access control systems

A software program that is inside a hardware device.

front side bus
Computer; Access control systems

Front Side Bus is the component that carries information between the computer's processor and other components such as system memory .

Terms in the News

Featured Terms

Harry8L
  • 0

    Terms

  • 0

    Blossaries

  • 1

    Followers

Industry/Domain: People Category: Actors

Michael Clarke Duncan

Michael Clarke Duncan (December 10, 1957 – September 3, 2012) was an American actor, best known for his role as John Coffey in The Green Mile. He was ...

Contributor

Featured blossaries

Gemstones

Category: Other   1 20 Terms

Off the top of my head

Category: Other   1 1 Terms

Browers Terms By Category

TERMS

SOCIAL

EXTRAS

SOLUTIONS