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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

The testes. In addition to producing sperm, the testes secrete the male sex hormones, primarily test The testes. In addition to producing sperm, the testes secrete the male sex hormones, primarily test
Ovaries Ovaries
Ovulation Process The two ovaries alternate ovulation in each monthly cycle. Ovulation Process The two ovaries alternate ovulation in each monthly cycle.
Endocrine Organs and the Hormones They Secrete (2 of 2) Endocrine Organs and the Hormones They Secrete (2 of 2)
Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy
The estrogen biosynthesis pathway The estrogen biosynthesis pathway
Video: Lower Limb Arteries Animation

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