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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «G»:

  1. GOLD-2 GOLD-2
    GOLD-2: One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD). GOLD-2 is stage II in the GOLD classification of COPD and indicates "moderate COPD." This stage is characterized by worsening airflow and usually the...
  2. GOLD-3 GOLD-3
    GOLD-3: One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD). GOLD-3 is stage III in the GOLD classification of COPD and indicates "severe COPD." This stage is characterized by severe airflow limitation or the p...
  3. Goldberger, Joseph Goldberger, Joseph
    Goldberger, Joseph: American public health physician (1874-1929) who solved the puzzle of pellagra. See: Pellagra....
  4. Goldenhar syndrome Goldenhar syndrome
    Goldenhar syndrome: Congenital malformation of the jaw, cheek and ear associated with vertebral defects. There is deformity of the external ear and abnormal smallness of that half of the face. Coloboma (cleft) of the upper eyelid is frequent. The ear deformities range from tags in front of the ear, ...
  5. Goldring Goldring
    Goldring: See: Goldring, Sidney....
  6. Goldring, Sidney Goldring, Sidney
    Goldring, Sidney: Polish-born American neurosurgeon who pioneered the surgical treatment of epilepsy. Beginning in the 1970s, Dr. Goldring developed a technique that allows the brain to be mapped, enabling the procedure to be used with children with intractable epilepsy. After a stint at the Univers...
  7. Golfer's cramp Golfer's cramp
    Golfer's cramp: A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs when playing golf. Similar focal dystonias have also been called typist's cramp, pianist's cramp, musician's cramp, and writer's cramp. Golfer's cramp provides a reason to switch to tennis (and ...
  8. Gonad Gonad
    Gonad: A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in males and females is initially identical. This gonad is said to be "indifferent" before it differentiates into a definitive testis or ovary. An indifferent gonad becomes a testis if the ...
  9. Gonad, female Gonad, female
    Gonad, female: The female gonad, the ovary or "egg sac", is one of a pair of reproductive glands in women. They are located in the pelvis, one on each side of the uterus. Each ovary is about the size and shape of an almond. The ovaries have two functions: they produce eggs (ova) and female hormones....
  10. Gonad, indifferent Gonad, indifferent
    Indifferent gonad: In embryonic life, the gonad in males and females is initially identical. This gonad is said to be "indifferent" before it differentiates into a definitive testis or ovary. An indifferent gonad becomes a testis if the embryo has a Y chromosome, but if the embryo has no Y chrom...
  11. Gonad, male Gonad, male
    Gonad, male: The male gonad, the testicle (or testis), located behind the penis in a pouch of skin (the scrotum). The testicles produce and store sperm and are also the body's main source of male hormones (testosterone). These hormones control the development of the reproductive organs and other ma...
  12. Gonadotropin Gonadotropin
    Gonadotropin: Hormones that are secreted by the pituitary gland, and that affect the function of the male or female gonads. See follicle-stimulating hormone, human chorionic gonadotropin....
  13. Gonadotropin, human chorionic Gonadotropin, human chorionic
    Gonadotropin, human chorionic: See: Human chorionic gonadotropin....
  14. Gonarthritis Gonarthritis
    Gonarthritis: Inflammation of the knee joint....
  15. Gonorrhea Gonorrhea
    Gonorrhea: A sexually transmitted infection (STI) caused by the bacterium Neisseria gonorrhoea. Although gonorrhea is known primarily as a sexually transmitted infection (STI), it is not exclusively so, but can also be transmitted to the newborn during the birthing process. Contrary to popular b...