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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «C»:

  1. Celiac disease, adult Celiac disease, adult
    Celiac disease, adult: See Celiac sprue....
  2. Celiac sprue Celiac sprue
    Celiac sprue: See: Celiac disease....
  3. Cell Cell
    Cell: The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body -- there are 100 trillion cells in each of us -- contains the entire human genome, all the genetic information ...
  4. Cell cloning Cell cloning
    Cell cloning: The process of producing a group of cells (clones), all genetically identical, from a single ancestral cell. ...
  5. Cell cycle Cell cycle
    Cell cycle: The sequence of events within the cell between cell divisions. The cell cycle is conventionally divided into the following phases: G0 (G zero, the G standing for gap) G1, (G one, the first gap) S (synthesis phase during which the DNA is synthesized, replicated) G2 (G tw...
  6. Cell fusion Cell fusion
    Cell fusion: The melding of two or more cells into one cell called a heterokaryon. A heterokaryon may reproduce itself for at least several generations. Cell fusion provides a method for assigning specific genes to specific chromosomes. When an undifferentiated stem cell fuses with a mature differe...
  7. Cell lineage Cell lineage
    Cell lineage: A genealogic pedigree of cells related through mitotic division....
  8. Cell sorter, fluorescence-activated Cell sorter, fluorescence-activated
    Cell sorter, fluorescence-activated: A flow cytometer (a scientific instrument used to measure the characteristics of individual cells) that is modified for the purpose of separating (sorting) cells based on the amount of light (fluorescence) emitted by each cell. The abbreviation for fluorescen...
  9. Cell suicide Cell suicide
    Cell suicide: See: Apoptosis....
  10. Cell therapy Cell therapy
    Cell therapy: Treatment with cells. A technology that relies on replacing diseased or dysfunctional cells with healthy, functioning ones. Whole blood transfusions, packed red cell transfusions, platelet transfusions, bone marrow transplants, and organ transplants are all forms of cell therapy. Cel...
  11. Cell, alpha (pancreatic) Cell, alpha (pancreatic)
    Cell, alpha (pancreatic): A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the alpha cells are located in areas called the islets of Langerhans. Alpha cells make and release glucagon which raises the level of glucose (sugar) in t...
  12. Cell, antigen-presenting Cell, antigen-presenting
    Cell, antigen-presenting: A cell that can "present" antigen in a form that T cells can recognize it. The cells that can "present" antigen include B cells and cells of the monocyte lineage (including macrophages)....
  13. Cell, B Cell, B
    Cell, B: See B cell....
  14. Cell, beta (pancreatic) Cell, beta (pancreatic)
    Cell, beta (pancreatic): A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the beta cells are located in areas called the islets of Langerhans. They constitute the predominant type of cell in the islets. The beta cells are importa...
  15. Cell, cone Cell, cone
    Cell, cone: A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are retinal photoreceptors that provide side vision and the ability to see objects in dim light (night vision)....