Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Did you know?
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Evolutionary adaptation to a new environment via natural selection.
Environment
Structures formed by phospholipids in an aqueous environment: Micelle
Selective pressures from the environment influence adaptation
The PharmGKB Knowledge Pyramid
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...