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Drugs and diseases reference index

Drugs and diseases reference index
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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «B»:

  1. Barotrauma, sinus Barotrauma, sinus
    Barotrauma, sinus: See: Sinus barotrauma....
  2. Barr body Barr body
    Barr body: A microscopic feature of female cells due to the presence of two X chromosomes in the female. One of these X chromosomes is inactive and is crumpled up to form the Barr body....
  3. Barrett esophagus Barrett esophagus
    Barrett esophagus: See: Barrett's esophagus....
  4. Barrett's esophagus Barrett's esophagus
    Barrett's esophagus: A complication of severe chronic GERD (gastrointestinal reflux disease) involving changes in the cells of the tissue that line the bottom of the esophagus. These esophageal cells become irritated when the contents of the stomach back up (refluxes) and there is a small but defin...
  5. Bartholin's glands Bartholin's glands
    Bartholin's glands: A pair of glands between the vulva and the vagina that produce lubrication in response to stimulation. With a second pair of nearby glands called the lesser vestibular glands, they act to aid in sexual intercourse. Also called the greater vestibular glands....
  6. Bartonella quintana Bartonella quintana
    Bartonella quintana: Also called Rochalimaea quintana, this microorganism is an unusual rickettsia that can multiply within the gut of the body louse and then can be transmitted to humans. Transmission to people can occur by rubbing infected louse feces into abraded (scuffed) skin or into the conj...
  7. Bartter syndrome Bartter syndrome
    Bartter syndrome: A group of disorders that are inherited in an autosomal recessive manner and are characterized by impaired salt reabsorption by the kidney with pronounced salt wasting, hypokalemia (low blood potassium), alkalosis (an alkaline body pH), and hypercalciuria (high urine calcium)....
  8. Basal cell carcinoma Basal cell carcinoma
    Basal cell carcinoma: The most common type of skin cancer, a disease in which the cancer cells resemble the basal cells of the epidermis, the outer layer of the skin. Basal cell carcinomas usually appear as the classic "sore that doesn't heal." A bleeding or scabbing sore that seems to get somewh...
  9. Basal cell nevus syndrome Basal cell nevus syndrome
    Basal cell nevus syndrome: The Gorlin syndrome....
  10. Basal cells Basal cells
    Basal cells: Small, round cells found in the lower part, or base, of the epidermis, the outer layer of the skin....
  11. Basal ganglia Basal ganglia
    Basal ganglia: A region consisting of 3 clusters of neurons (called the caudate nucleus, putamen, and the globus pallidus) located at the base of the brain that are responsible for involuntary movements such as tremors, athetosis, and chorea. The basal ganglia are abnormal in a number of important n...
  12. Basal metabolic rate Basal metabolic rate
    Basal metabolic rate: A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated basal metabolic rate....
  13. Basal nuclei Basal nuclei
    Basal nuclei: A region located at the base of the brain composed of 4 clusters of neurons, or nerve cells. This area of the brain is responsible for body movement and coordination. The groups of neurons most prominently and consistently affected in Huntington disease -- the pallidum and striatum -...
  14. Basal temperature Basal temperature
    Basal temperature: 1) Usually, a person's temperature on awakening in the morning. As changes in basal temperature accompany ovulation, it is often tracked by women who wish to ensure or avoid pregnancy. 2) A crude measure of thyroid function via taking and comparing basal temperatures (also ca...
  15. Basal thermometer Basal thermometer
    Basal thermometer: Colloquially used as a synonym for basal temperature. Any thermometer can be used to take the basal temperature, although special digital thermometers that are capable of storing and tracking basal temperatures over a period of time are available....