Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «B»:
Bereavement: The period after a loss during which grief is experienced and mourning occurs. The time spent in a period of bereavement depends on how attached the person was to the person who died, and how much time was spent anticipating the loss....
Bergamot oil: An aromatic extract of the rind of the bergamot orange used to flavor Earl Grey tea and in aromatherapy. It causes photosensitivity, due largely to the presence of 5-methoxypsoralen. Drinking very large amounts of Earl Grey tea can block the intestinal absorption of potassium. ...
Bergström: See: Bergström, Sune K....
Bergstrom, Sune K
Bergström, Sune K: (1916-2004) Swedish physician and scientist who was awarded the Nobel prize for physiology or medicine in 1982 for isolating and elucidating the chemical structure of prostaglandins. The main breakthrough in prostaglandin research was made in the 1950s when Bergström an...
Beriberi: A syndrome characterized by inflammation of multiple nerves (polyneuritis), heart disease (cardiopathy), and edema (swelling) due to a deficiency of thiamine (vitamin B1) in the diet....
Beriberi, infantile: See: Infantile beriberi....
Berlin Heart: The name of a company in Berlin, Germany and of a ventricular assist device it makes. The device works by helping the right ventricle of the heart to pump blood to the lungs and the left ventricle to pump blood to the body. The Berlin Heart comes in various sizes for a range of patient...
Bernard syndrome: A complex of abnormal findings,
namely sinking in of one eyeball, ipsilateral ptosis (drooping of the upper eyelid on the
same side) and miosis (constriction of the pupil of that eye) together with anhidrosis
(lack of sweating) and flushing of the affected side of the face. Due to ...
Bernard, Christiaan: South African surgeon (1922-2001) who pioneered cardiac transplantation.
Dr. Bernard did the world's first heart transplant on December 3, 1967. The heart donor was Denise Darvall, a 25-year old woman, struck by an automobile while crossing a street in Cape Town. She was rushe...
Bernard-Horner syndrome: See:
Bernard-Soulier syndrome (giant platelet syndrome):The Bernard-Soulier syndrome is a primary problem of platelets in which the platelets lack the ability to stick adequately to injured
blood vessel walls. This is a crucial aspect of the process of forming a blood clot, and as a result of this pr...
Bernstein test: A test to find out if heartburn is caused by acid in the esophagus and so to diagnose GERD (gastroesophageal reflux disease). The test involves dripping a mild acid, similar to stomach acid, through a tube placed in the esophagus.
Also called the esophageal acid infusion test....
Berry aneurysm: A berry aneurysm is a small
outpouching (an aneurysm) that looks like a berry and classically
occurs at the point at which a cerebral artery departs from the
circular artery (the circle of Willis) at the base of the brain.
Berry aneurysms are prone to rupture and bleed. Also call...
Berserk: Frenzied, enraged. From the Norse berserkr, one of the old Norse warriors who worked themselves into a frenzy....
Berylliosis: Beryllium poisoning. See: Beryllium....