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Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

CD23 dependent epitope spreading CD23 dependent epitope spreading
(A) Lymphatic vessel with valves within tissue cells; (B) photomicrograph of lymphatic vessel with v (A) Lymphatic vessel with valves within tissue cells; (B) photomicrograph of lymphatic vessel with v
Biological transistor enables computing within living cells Biological transistor enables computing within living cells
A simple diagram of bone marrow progenitors. All of the cells listed can be transformed to become a ... A simple diagram of bone marrow progenitors. All of the cells listed can be transformed to become a ...
Lineup of leukocytes (white blood cells) Lineup of leukocytes (white blood cells)
Conjugation of F and F cells Conjugation of F and F cells
Video: Introduction to Pre-eclampsia

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