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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «A»:

  1. Adenomatous polyposis coli, autosomal recessive Adenomatous polyposis coli, autosomal recessive
    Adenomatous polyposis coli, autosomal recessive: See: MYH....
  2. Adenomyoma Adenomyoma
    Adenomyoma: A nodule that forms around tissue of the inner uterus (endometrial tissue) as a result of adenomyosis. See adenomyosis....
  3. Adenomyomata Adenomyomata
    Adenomyomata: Plural form of adenomyoma....
  4. Adenomyosis Adenomyosis
    Adenomyosis: Pronounced a-den-o- mi-o-sis, this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside the endometrium). The endometrium and myometrium unde...
  5. Adenomyosis uteri Adenomyosis uteri
    Adenomyosis uteri: Also known more succinctly as adenomyosis (pronounced ad-den-o-mi-o- sis), this is a common benign condition of the uterus in which the endometrium (the mucous membrane lining the inside of the uterus) grows into the myometrium (the uterine musculature located just outside th...
  6. Adenopathy Adenopathy
    Adenopathy: Large or "swollen" lymph nodes. Synonymous with lymphadenopathy....
  7. Adenosine Adenosine
    Adenosine: A nucleoside containing adenine as its base. Adenosine acts to dilate the coronary arteries and is employed in the adenosine thallium scan of the heart....
  8. Adenosine deaminase (ADA) Adenosine deaminase (ADA)
    Adenosine deaminase (ADA): An enzyme that plays a key role in salvaging purine molecules....
  9. Adenosine deaminase (ADA) deficiency Adenosine deaminase (ADA) deficiency
    Adenosine deaminase (ADA) deficiency: A genetic (inherited) condition that results in a immune deficiency disorder called severe combined immunodeficiency disease. Adenosine deaminase is an enzyme that plays a key role in salvaging purine molecules. ADA deficiency is of special interest in the hi...
  10. Adenosine thallium scan Adenosine thallium scan
    Adenosine thallium scan: A method of examining the heart to obtain information about the blood supply to the heart muscle. Special cameras take a series of pictures of the heart. Radioactive thallium is injected into the bloodstream and serves as a tracer. The tracer attaches to certain cells and ma...
  11. Adenosine triphosphate Adenosine triphosphate
    Adenosine triphosphate: An important carrier of energy in cells in the body and a compound that is important in the synthesis (the making) of RNA. Adenosine triphosphate (ATP) is a nucleotide (a building block of a nucleic acid such as RNA). The body produces ATP from food and then ATP produces ene...
  12. Adenovirus Adenovirus
    Adenovirus: A group of viruses responsible for a spectrum of respiratory disease as well as infection of the stomach and intestine (gastroenteritis), eyes (conjunctivitis), and bladder (cystitis) and rash. Adenovirus respiratory diseases include a form of the common cold, pneumonia, croup, and bronc...
  13. ADH (antidiuretic hormone) ADH (antidiuretic hormone)
    ADH (antidiuretic hormone): A peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby (in the hypothalamus). ADH has an antidiuretic action that prevents the production of dilute urine (and so is antidiuretic). A syndrome of inappropriate secre...
  14. ADH secretion, inappropriate ADH secretion, inappropriate
    ADH secretion, inappropriate: The syndrome of inappropriate secretion of antidiuretic hormone (ADH) results in the inability to put out dilute urine, perturbs fluid (and electrolyte) balance, and causes nausea, vomiting, muscle cramps, confusion and convulsions. This syndrome may occur, for exam...
  15. ADHD ADHD
    ADHD: Attention deficit hyperactivity disorder....