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 soreness. Sometimes cortisone medication, such as prednisone, is given to reduce inflammation during the first weeks of illness. The outlook is generally good; the vast majority of patients recover within weeks or months.
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 […]
- Bellini duct carcinoma
Bellini duct carcinoma: (BDC) A rare type of kidney cancer that begins in the duct of Bellini (a continuation of the collecting tubules). BDC often grows and spreads quickly.
Belly: That part of the body that contains all of the structures between the chest and the pelvis. Also called the abdomen. The belly (or abdomen) is separated anatomically from the chest by the diaphragm, the powerful muscle spanning the body cavity below the lungs. The belly contains a host of organs including the stomach, […]
- Belly button
Belly button: The navel or umbilicus; the former site of attachment of the umbilical cord.
- Belt, seat
Belt, seat: A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for teenagers in the United States. Over 70% of those killed were not wearing seat belts. Seat belts can help reduce death and injury by up to 60%. Using a shoulder belt without a […]