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Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ... Common skin signs are often evidence of an illness or disorder. A pustule is a small, elevated, ...
Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ... Common skin signs are often evidence of an illness or disorder. A scale is a thin, dry flake of ...
Video: Chemical Synapse Animation

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