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Halofantrine is a drug used to treat malaria. Halofantrine's structure contains a substituted phenanthrene, and is related to the antimalarial drugs quinine and lumefantrine. 3d illustration
Chemical formula of Cortisol
Aerial view of loyster farm by Ardara, County Donegal - Ireland.
Amazing Colorful Agate Crystal stone cross texture background.
Chemical formula of Progesterone. Close-up.
Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.
Microscopic photo of a thin section of calcareous tufa of Holocene age.
plant Leaf of Nerium indicum T.S. under light mircoscope with white background
Chemical formula of Testosterone on a blackboard
Chemical formula of Progesterone
Melatonin is a hormone, released primarily by the pineal gland, that regulates the sleep–wake cycle. 3D ball-and-stick model, white background
Image taken with Flir T420 infra red digital camera. Each color represents different temperatures, as is shown on spectrum scale on right side of image.
Calcidiol molecule, also called calcifediol, major circulating metabolite of vitamin D3 produced in liver, 3D illustration
Rock texture background High resolution or design art work.
Models of abstract molecular structure on blue background. Copy space for your text. Mock up template. 3d render
molecular symbol painted on the wall
Structural model of Progesterone on the blackboard.
Chemical formula of Aldosterone
Squalane is a hydrocarbon derived by hydrogenation of squalene. 3d illustration
Metastatic leydig cell tumor in the lymph node
Centralised mechanical extraction system scheme, most commonly known as Mechanical Extraction Ventilation (MEV) for indoor air quality - concept image with architectural cross section and diagram of operation.
A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
Prednisone is a glucocorticoid medication mostly used to suppress the immune system and decrease inflammation in conditions such as asthma, COPD, and rheumatologic diseases.
Slice of natural crystal for patterns and textures use with high resolution.
Egg of parasitic roundworm Trichuris trichiura, or whipworm, the causative agent of trichuriasis, disease of a human large intestine, 3D illustration
Structural model of Benzene molecule
Zearalenone or ZEN or RAL is a potent estrogenic metabolite. 3d illustration
Hepatocellular adenoma (HCA; also termed hepatic adenoma) is an uncommon solid, benign liver lesion that develops in an otherwise normal-appearing liver. Typically, HCAs are solitary and are found in young women in association with use of estrogen-containing medications.
Microscopic photography of mucous membrane of the appendix, color test for enzymes, positive mucus
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.
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Formylscholarine.svg
Scholarine.svg
Dihydrocuscohygrine.svg
Cuscohygrine.svg
Ridinilazole.svg
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Cocaine analog Carroll 8h.svg
Cocaine analog Carroll 8g.svg
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Cocaine analog 224.svg
Phenyltropane 11b - WIN 35428.svg
Plakoridine A.svg
Cefivitril.svg
Crotaline.svg
Vindoline.svg
Deacetylvindoline.svg
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