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A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen
Small electric motor for household appliances. Spare parts for the repair of electronic devices. Isolated background.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Zodiac sign sagittarius on the night starry sky with stars. Astrology, concept
Hose valve and gasket for water purifier
Image of broken wheel bearings, damaged car wheel bearings, close up
DNA and biotechnology concept
Algaes under microscopic view
Close-up of mechanical equipment parts
Hydraulic seals
Top view ,Automotive Shock absorber mounting kit isolated on white background.
Cedar pollen
Old rusty and damaged brake disc studio shot isolated on white. A disc brake is a uses calipers to squeeze pairs of brake pads against a disc to create friction. Damaged disc brakes have to be replaced.
Cygnus constellation in night sky with bright blue stars
Liver Fluke Section under light microscope with white background
Closeup scene the spare parts lead ball screw set. The hi-precision CNC machine part manufacturing concept.
The 12 constellations of the zodiac drawn on an old paper.
Spirogyra algae (filamentous green algae) under the microscope - optical microscope x400 magnification
Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Colonies of pathogenic bacteria in a Petri dish, microbiological studies
A growing number of infections are becoming harder to treat as the antibiotics used to treat them become less effective. Drug resistant infections are on the rise.
Closeup picture of used wheel bearings with screws of a city car.
In vitro bacterial culture
Beautiful big dipper in the Ursa Major constellation. Starry night
CNC machine Cutting Tools on White Background
Cassiopeia constellation on the starry sky
Automotive Car engine part
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