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Did you know?

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.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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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.

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The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

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There are more sensory neurons in the tongue than in any other part of the body.

The thyroid gland is subdivided into two lobes, one on each side of the trachea. The thyroid gland is subdivided into two lobes, one on each side of the trachea.
Thyroid scan. Thyroid scan.
HIV attack HIV attack
The thymus gland (A) appearance and position and (B) anatomical structures. The thymus gland (A) appearance and position and (B) anatomical structures.
Hypothalamus and pituitary gland. Hypothalamus and pituitary gland.
Signs and Symptoms of Thyroid Emergencies Signs and Symptoms of Thyroid Emergencies
Video: Contraction and Relaxation Animation

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