Behcet’s syndrome
Behcet’s syndrome: A chronic disease featuring inflammation of small blood vessels and characterized by a triad of features: ulcers in the mouth, ulcers of the genitalia, and inflammation of the eye (uveitis). The mouth ulcers typically present as recurring crops of aphthous ulcers. Arthritis is also commonplace. The cause of Behcet’s syndrome is not known. It is more frequent and severe in patients from the Eastern Mediterranean and Asia than in those of European descent.
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Beijerinck, Martinus W.: (1851-1931) Dutch microbiologist who was the first person to use the term “virus” for the invisible disease-causing material that he showed to be self-replicating. He originated selective culture techniques, also known as enrichment culturing, and was the first to isolate a wide range of microorganisms. Educated at the Delft Technical School and […]
- Belching
Belching: A normal process of releasing through the mouth air that accumulates in the stomach, thereby relieving distention. Upper abdominal discomfort associated with excessive swallowed air may extend into the lower chest, producing symptoms that suggest heart or lung disease.
- Bell, Charles
Bell, Charles: (1774-1842) Renowned surgeon, anatomist and artist, who discovered Bell’s palsy, paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. Bell waa a great neurologist and made many of the early discoveries in neurology including the Mona Lisa syndrome, the facial muscle contracture that develops […]
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Bell’s palsy: Paralysis of the nerve that supplies the facial muscles on one side of the face (the seventh cranial nerve, or facial nerve). Bell’s palsy often starts suddenly. The cause may be a viral infection. Treatment includes protecting the eye on the affected side from dryness during sleep. Massage of affected muscles can reduce […]
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Belladonna: An herbaceous plant bearing the scientific name Atropa belladonna or Atropa bella-donna, also known as deadly nightshade. The leaves and berries of the plant are highly toxic and can lead to hallucinations and delirium when ingested. Eating just a few berries from the plant can be fatal in children. The belladonna plant has a […]