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Drugs and diseases reference index

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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «L»:

  1. Lindau-von Hippel syndrome Lindau-von Hippel syndrome
    Lindau-von Hippel syndrome: See Von Hippel-Lindau syndrome....
  2. Line, central Line, central
    Line, central: A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central lines have a number of different uses. A central line allows concentrated solutions ...
  3. Line, central venous Line, central venous
    Line, central venous: A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous lines have a number of different uses. A central venous line allows co...
  4. Line, germ Line, germ
    Line, germ: A sequence of cells, each descended from earlier cells in the lineage, which will develop into new sperm and egg cells for the next generation....
  5. Line, single transverse palmar Line, single transverse palmar
    Line, single transverse palmar: See: Simian crease....
  6. Lineage, cell Lineage, cell
    Lineage, cell: See: Cell lineage....
  7. Lingelsheimia Lingelsheimia
    Lingelsheimia: A group of bacteria named after W. von Lingelsheim. Now known as Acinetobacter. See: Acinetobacter....
  8. Lingual Lingual
    Lingual: 1. Having to do with the tongue. 2. Next to the tongue. In dentistry, the tooth surface next to the tongue. 3. Toward the tongue. 4. Produced by the tongue as, for example, lingual speech.  From the Latin lingua meaning tongue. See also: Perilingual; Postlingual; Prelingual; Subling...
  9. Lingual gyrus Lingual gyrus
    Lingual gyrus: An area in the occipital lobe, the visual processing center in the brain. The lingual gyrus extends to the temporal lobe of the brain. A stroke damaging the lingual gyrus reportedly can cause a loss of dreaming, suggesting that the lingual gyrus plays a key role in generating or recal...
  10. Lining, uterine Lining, uterine
    Lining, uterine: The inner layer of the uterus (womb); the cells that line the womb; anatomically termed the endometrium. This tissue is normally shed monthly in response to the hormonal changes of the menstrual period....
  11. Linkage Linkage
    Linkage: The tendency for genes and other genetic markers to be inherited together because of their location near one another on the same chromosome. A gene is a functional physical unit of heredity that can be passed from parent to child. All genes in humans are pieces of DNA. Most genes contain ...
  12. Linkage analysis Linkage analysis
    Linkage analysis: Study aimed at establishing linkage between genes. Today linkage analysis serves as a way of gene-hunting and genetic testing. Linkage is the tendency for genes and other genetic markers to be inherited together because of their location near one another on the same chromosome. A ...
  13. Linkage map Linkage map
    Linkage map: A map of the genes on a chromosome based on linkage analysis. A linkage map does not show the physical distances between genes but rather their relative positions, as determined by how often two gene loci are inherited together. The closer two genes are (the more tightly they are linked...
  14. Linus Pauling Linus Pauling
    Linus Pauling: See: Pauling, Linus....
  15. Lip Lip
    Lip: One of the two fleshy folds which surround the opening of the mouth. The upper lip is separated from the nose by the philtrum, the area that lies between the base of the nose and the pigmented edge (called the vermillion border or the carmine margin) of the upper lip. The upper and lower li...