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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «K»:

  1. Kissing bug Kissing bug
    Kissing bug: The insect that transmits the parasite Trypanosoma cruzi, which causes Chagas disease (American trypanosomiasis). The bug "kisses" people, especially babies, on the lips while they are asleep, infecting them with the parasite. The bug (technically a reduviid bug) lives in cracks and ho...
  2. Kissing disease Kissing disease
    Kissing disease: A name for infectious mononucleosis ("mono"), a very common illness caused by the Epstein-Barr virus (EBV). By the time most people reach adulthood, an antibody against EBV can be detected in their blood meaning they have been infected with EBV. The illness is less severe...
  3. Kit, disaster supplies Kit, disaster supplies
    Kit, disaster supplies: Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. You and your family can cope best by preparing for disaster before it strikes. One way to ...
  4. Kit, emergency supplies Kit, emergency supplies
    Kit, emergency supplies: You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by assembling a Disaster Supplies Kit. Once disaster hits, you won't have time to shop or search for supplies. But if you've gathered supplies in advance, your family can ...
  5. Klebsiella Klebsiella
    Klebsiella: A group of bacteria normally living in the intestinal tract and frequently the cause of nosocomial infections (infections acquired in the hospital). Named for Dr. Klebs. ...
  6. Kleine-Levin syndrome Kleine-Levin syndrome
    Kleine-Levin syndrome: A rare condition characterized by excessive need for sleep, food, and sexual disinhibition. Most people with Kleine-Levin syndrome are adolescent males. When awake, they may be confused, irritable, and lethargic, and some have hallucinations. The cause is unknown, althoug...
  7. Klinefelter syndrome Klinefelter syndrome
    Klinefelter syndrome: A chromosome condition in boys and men that is usually due to 47 chromosomes with XXY sex chromosomes. XXY is one of the most common chromosomal abnormalities. It occurs in 1 in 500 male births. Because it is so common, Klinefelter syndrome is considered an SCV (sex chromosome ...
  8. Klippel-Feil anomalad Klippel-Feil anomalad
    Klippel-Feil anomalad: See: Klippel-Feil sequence....
  9. Klippel-Feil anomaly Klippel-Feil anomaly
    Klippel-Feil anomaly: See: Klippel-Feil sequence....
  10. Klippel-Feil deformity Klippel-Feil deformity
    Klippel-Feil deformity: See: Klippel-Feil sequence....
  11. Klippel-Feil phenotype Klippel-Feil phenotype
    Klippel-Feil phenotype: See: Klippel-Feil sequence....
  12. Klippel-Feil sequence Klippel-Feil sequence
    Klippel-Feil sequence: Short neck, low hairline at the nape of the neck and limited movement of the head. Klippel-Feil sequence is due to a defect in the early development of the spinal column in the neck, resulting in fusion of the cervical vertebrae. The condition is named for the French neurolog...
  13. Klippel-Feil syndrome Klippel-Feil syndrome
    Klippel-Feil syndrome: See: Klippel-Feil sequence....
  14. Klippel-Trenaunay-Weber (KTW) syndrome Klippel-Trenaunay-Weber (KTW) syndrome
    Klippel-Trenaunay-Weber (KTW) syndrome: A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata, and nevi. "Asymmetric limb hypertrophy" is enlargement of one limb and not the corresponding limb on the other side, the enlarged limb being 3 times mor...
  15. Klumpke palsy Klumpke palsy
    Klumpke palsy: A form of brachial plexus palsy in which there is paralysis of the muscles of the forearm and hand due to an injury to the roots of eigth cervical and first thoracic roots or the lower part of the brachial plexus, a network of spinal nerves that originates in the back of the neck, ex...