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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «M»:

  1. Microscopic Microscopic
    Microscopic: So small it cannot be seen without the aid of microscope. As opposed to macroscopic (large enough to be seen with naked eye). A tiny tumor is microscopic while a big tumor is macroscopic....
  2. Microscopic anatomy Microscopic anatomy
    Microscopic anatomy: The study of the form of structures seen under the microscope, as opposed to gross anatomy which involves structures that can be observed with the naked eye . Traditionally, both gross and microscopic anatomy have been studied in the first year of medical school in the U.S. ...
  3. Microscopic gallstones Microscopic gallstones
    Microscopic gallstones: A mixture of microscopic particulate matter in bile, also called biliary sludge, that occurs when particles of material precipitate from bile. (Bile is the fluid that is made by the liver. It is stored in the gallbladder until after a meal when it passes out of the gallbladde...
  4. Microscopy Microscopy
    Microscopy: The examination of minute objects by means of a microscope, an instrument which provides an enlarged image of an object not visible with the naked eye. Aside from the usual microscopy, there are various special types of microscopy including, for example: Electron microscopy -- Microscop...
  5. Microscopy, cryo-electron Microscopy, cryo-electron
    Microscopy, cryo-electron: See: Cryo-electron microscopy....
  6. Microscopy, electron Microscopy, electron
    Microscopy, electron: See: Electron microscopy....
  7. Microsomia Microsomia
    Microsomia: Too small a body. A child with microsomia has significant undergrowth. The prefix "micro-" is derived from the Greek "mikros" meaning small. It diminishes whatever it precedes. "Soma" is also from the Greek and means "body."...
  8. Microsurgery Microsurgery
    Microsurgery: Surgery through a microscope. Microsurgery is used to operate on very small structures, often requires miniaturized instruments, and has myriad uses. Microsurgery is used to reattach a severed hand or another amputated part to the body by reconnecting the small blood vessels and resto...
  9. Microtia Microtia
    Microtia: An abnormally small ear. The term "microtia" usually refers to a congenitally small external ear. The visible part of the ear is abnormally small but it is not entirely absent. Absence of the ear is called "anotia."...
  10. Microtubule motor Microtubule motor
    Microtubule motor: See: Microtubule motor protein....
  11. Microtubule motor protein Microtubule motor protein
    Microtubule motor protein: A protein that plays a role in spindle assembly and function or in chromosome movement during meiosis or mitosis. See: Dynein; and Kinesin....
  12. Microvascular Microvascular
    Microvascular: Pertaining to the microvasculature, the portion of the vasculature of the body consisting of the smaller vessels, those with an internal diameter of at most 100 microns. In contrast to macrovascular....
  13. Microvascular disease Microvascular disease
    Microvascular disease: Disease of the finer blood vessels in the body, including the capillaries. In contrast to macrovascular disease. The microvascular complications of diabetes such as neuropathy can lead to loss of sensation and the development of foot ulcers....
  14. Microvascular surgery Microvascular surgery
    Microvascular surgery: Surgery on very small blood vessels such as those only 3 to 5 millimeters in diameter. Microvascular surgery is done through an operating-room microscope using specialized instruments and tiny needles with ultrafine sutures. Microvascular surgery is used to reattach severed f...
  15. Micturate Micturate
    Micturate: To urinate. The verb "micturate" (like the noun "micturation") comes from the Latin "micturire" meaning "to want to urinate."...