In 1864, the first barbiturate (barbituric acid) was synthesized.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Schematic view of the Calvin cycle
The Dietary Reference Intakes Are Reference Values for Each Nutrient
Dermatomes of body, anterior view
Contents of the scrotum, anterior view
Superior view of transverse section through eyeballs and brain