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Local anesthetic
A local anesthetic is a drug that reversibly inhibits the propagation of signals along nerves. When it is used on specific nerve pathways, effects such as analgesia (loss of pain sensation) and ... > more -
Bronchitis
Bronchitis is an obstructive pulmonary disease characterized by inflammation of the bronchi of the lungs. Bronchitis can be acute (short-term), or chronic (long-lasting). Chronic bronchitis is ... > more -
Peptic ulcer
A peptic ulcer is an ulcer of one of those areas of the gastrointestinal tract that are usually acidic. A more general term, peptic ulcer disease (PUD), is also in use. Most ulcers are associated ... > more -
Trichomoniasis
Trichomoniasis, sometimes referred to as "trich" or the ping pong disease, is a common sexually transmitted disease that affects 2 to 3 million Americans yearly. It is caused by a single-celled ... > more -
Blood alcohol content
Blood alcohol content (or blood alcohol concentration), often abbreviated BAC, is the concentration of alcohol in blood, measured, by volume, as a percentage. For example, a BAC rating of 0.20 means ... > more -
Turner syndrome
Turner syndrome is a human genetic abnormality, caused by a nondisjunction in the sex chromosomes that occurs in females (1 out of every 2,500 births). Instead of the normal XX sex chromosomes, only ... > more
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