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Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Thyroid conditions may make getting pregnant impossible.
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.