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Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

An adult tooth, longitudinal view showing internal structures of the crown and root. An adult tooth, longitudinal view showing internal structures of the crown and root.
Gray hair collage Gray hair collage
microscope view of an onion root tip microscope view of an onion root tip
How prefixes and suffixes can be combined with a word root to form many medical terms. How prefixes and suffixes can be combined with a word root to form many medical terms.
A fibrous root system has similar-sized adventitious roots that branch from the stem A fibrous root system has similar-sized adventitious roots that branch from the stem
Video: B cells and antibodies

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