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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.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Neurons Neurons
Neurons Neurons
Immunocytochemistry. This section through a rat’s substantia nigra reveals dopaminergic neurons ... Immunocytochemistry. This section through a rat’s substantia nigra reveals dopaminergic neurons ...
The motor homunculus: the somatotopic map of the human primary motor cortex. Stimulation of sites in ... The motor homunculus: the somatotopic map of the human primary motor cortex. Stimulation of sites in ...
Testing motor function of cranial nerve VII - Frown Testing motor function of cranial nerve VII - Frown
Video: Peptide Bond Formation Animation

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