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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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only
Areas of Referred Pain, Anterior View Areas of Referred Pain, Anterior View
Areas of Referred Pain, Posterior View Areas of Referred Pain, Posterior View
(A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re (A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re
Areas of referred pain; A, anterior view; B, posterior view. Areas of referred pain; A, anterior view; B, posterior view.
Various sites of referred pain. Various sites of referred pain.
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