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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

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People about to have surgery must tell their health care providers about all supplements they take.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Vessels composed of vessel elements in xylem tissue. Vessels composed of vessel elements in xylem tissue.
Illustration of an embolus floating in an artery. The embolus will become lodged in a blood vessel t Illustration of an embolus floating in an artery. The embolus will become lodged in a blood vessel t
The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i
blood vein and vessel blood vein and vessel
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
Video: Conduction of action potentials

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