Bubo
Bubo: An enlarged lymph node that is tender and painful. Buboes particularly occur in the groin and armpit (the axillae). These swollen glands are seen in a number of infectious diseases, including gonorrhea, syphilis, tuberculosis, and the eponymous bubonic plague.
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- Bubonic plague
An infectious disease that is caused by the bacterium Yersinia pestis and is transmitted to humans from infected rats by the oriental rat flea. It is named for the characteristic feature of buboes (painfully enlarged lymph nodes) in the groin, armpits, neck, and elsewhere. Other symptoms of bubonic plague include headache, fever, chills, and weakness. […]
- Buerger's disease
Buerger’s disease: a rare, inflammatory disease of blood vessels characterized by blood clot (thrombus) formation. The disease usually affects small- and medium-sized arteries of the arms or legs, leading to the eventual occlusion of the arteries due to blood clot formation. The blockages caused by the blood clots disrupt the flow of oxygen to the […]
- Buffalo chest
Buffalo chest: A single chest cavity with no anatomic separation of the two hemithoraxes due, for example, to tension pneumothorax (air under pressure collapsing a lung). It is called buffalo chest because this anatomical peculiarity of the North American buffalo, or bison, helped the Indians of the Great Plains to kill them. A single Indian […]
- Buffalo hump
Buffalo hump: a layman’s term for the deposition of fat in the area behind the base of the neck. This fat deposition can occur due to a number of conditions. The most characteristic association of buffalo hump deformity is either from diseases that result in elevated blood cortisol levels or from taking oral, intramuscular, or […]
- Bulbar
Bulbar: Pertaining to a bulb, in medicine any rounded mass of tissue (that is shaped somewhat like a crocus or tulip bulb). For example, the bulbar conjunctiva is that part of the conjunctiva, a clear membrane of the eye, which covers the outer rounded surface of the eye. Bulbar can also apply to a rounded […]