Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «A»:
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Adductor spasmodic dysphonia
Adductor spasmodic dysphonia: A disorder in which sudden muscle spasms cause the vocal folds (or vocal cords) to slam together. See: spasmodic dysphonia....
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ADE
ADE: Adverse drug event. See: Adverse reaction.....
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Aden-
Aden-: See: Adeno-....
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Adenine (A)
Adenine (A): One member of the A-T (adenine-thymine) base pair in DNA. The other base pair in DNA is G-C (guanine-cytosine).
Each base pair forms a "rung of the DNA ladder." A DNA nucleotide is made of a molecule of sugar, a molecule of phosphoric acid, and a molecule called a base. The bases are th...
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Adenitis
Adenitis: Inflammation of a gland. From the aden-, gland + -itis, inflammation....
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Adeno-
Adeno-: Prefix referring to a gland, as in adenoma and adenopathy. From the Greek aden meaning originally "an acorn" and later "a gland" in the form of an acorn. Before a vowel, adeno- becomes aden-, as in adenitis (inflammation of a gland)....
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Adenocarcinoma
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Adenocarcinoma: A cancer that develops in the lining or inner
...
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Adenoid cystic carcinoma
Adenoid cystic carcinoma: A type of cancer that most often develops in the salivary glands of the head and neck. It may arise in other sites such as the skin, lacrimal gland, trachea, breast, cervix and prostate. Adenoid cystic carcinoma (ACC) has a characteristic appearance under the microscope. Ab...
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Adenoidectomy
Adenoidectomy: The surgical removal of the adenoids. ...
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Adenoiditis
Adenoiditis: Infection of the adenoids. ...
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Adenoids
Adenoids: Masses of lymphoid tissue in the upper part of throat
behind the nose. ...
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Adenoids and Tonsils
Adenoids and Tonsils: These celebrated structures (adenoids and tonsils) in the back of the throat are composed of tissue similar to the lymph nodes or "glands." ...
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Adenoma
Adenoma: A benign tumor that arises in or
resembles glandular tissue. If it becomes cancerous, it is
called an adenocarcinoma....
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Adenoma colon family history
Adenoma colon family history: See: Colon cancer family history....
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Adenomatous polyposis coli
Adenomatous polyposis coli: See: APC (meaning 3)....