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.

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Category: Access control systems
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zooplankton

Biology; Access control systems

The animal constituent of plankton.

barotrauma

Biology; Access control systems

Injury to the middle ear caused by a rapid change in pressure. May result when ears aren't cleared on a descent.

dezinficijens

Biology; Access control systems

any chemical agent used chiefly on inanimate objects to destroy or inhibit the growth of harmful organisms.

eklipsa

Astronomy; Access control systems

The cutting off of light from one celestial body by another.

apogej

Astronomy; Access control systems

The point in orbit farthest from the Earth.

konstanta

Electrical equipment; Access control systems

Constant is a name for a value that, unlike a variable, cannot be reassociated with a different value

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Valdkond/domeen: Medical devices Category: Cardiac supplies

aortni zalistak

Aortni zalistak je glavni srčani prolaz između lijevog ventrikula i aorte. Na aortni zalistak može utjecati niz problema koji čine zalistak propusnim ...