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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.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Molecular structure of phaeomelanin (A) and eumelanin (B) Molecular structure of phaeomelanin (A) and eumelanin (B)
faimly forms faimly forms
Levels of protein structure: Primary structure Levels of protein structure: Primary structure
The various forms of spina bifida The various forms of spina bifida
The tetravalent synaptic structure and alternate and adjacent chromosome The tetravalent synaptic structure and alternate and adjacent chromosome
Bacteriophage site-specific recombination systems Bacteriophage site-specific recombination systems
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

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