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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «I»:

  1. Incompatibility, Rh Incompatibility, Rh
    Incompatibility, Rh: The state of mother and fetus having different Rh blood group types so that their Rh types are "incompatible." The red blood cells of an Rh+ (Rh positive) fetus may in this situation be attacked by antibodies produced by the Rh- (Rh negative) mother. The antibodies pass across ...
  2. Incompetent cervix Incompetent cervix
    Incompetent cervix: A cervix that is abnormally liable to dilate and so is not competent to keep the fetus up in the uterus and keep it from being spontaneously aborted (miscarried)....
  3. Inconclusive clinical trial Inconclusive clinical trial
    Inconclusive clinical trial: A clinical trial that shows that a new treatment is neither clearly superior nor clearly inferior to standard treatment. See: Clinical trials. See also: Negative clinical trial; Non-inferior clinical trial; Positive clinical trial....
  4. Incontinence Incontinence
    Incontinence: Inability to control excretions. Urinary incontinence is inability to keep urine in the bladder. Fecal incontinence is inability to retain feces in the rectum. ...
  5. Incontinence of urine Incontinence of urine
    Incontinence of urine: Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary sphincters resulting in involuntary passage of urine (wetting). See enuresis. See also bedwetting....
  6. Incontinence, fecal Incontinence, fecal
    Incontinence, fecal: Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters permitting untimely passage of feces and gas. Also called rectal incontinence....
  7. Incontinence, rectal Incontinence, rectal
    Incontinence, rectal: Inability to hold feces in the rectum due to failure of voluntary control over the anal sphincters with involuntary passage of feces and gas. Also called fecal incontinence....
  8. Incontinence, urge Incontinence, urge
    Incontinence, urge: A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate unstoppable urge to urinate. It is a form of urinary incontinence (the unintentional loss of urine) and affects about 1 in 11 adults, particularly older adults. Treatment ma...
  9. Incontinence, urinary Incontinence, urinary
    Incontinence, urinary: The unintentional loss of urine. Inability to hold urine in the bladder due to loss of voluntary control over the urinary sphincters resulting in the involuntary passage of urine. One cause of urinary incontinence is an overactive bladder in which there is a sudden involuntary...
  10. Incontinent Incontinent
    Incontinent: Unable to control excretions, to hold urine in the bladder or keep feces in the rectum. This is the usual medical meaning of the word incontinent. Incontinent can also refer to a lack of self-restraint in the sexual arena or failure to refrain from sexual intercourse....
  11. Incontinentia pigmenti Incontinentia pigmenti
    Incontinentia pigmenti: A genetic disease that begins soon after birth with the development of blisters on the trunk and limbs. These blisters then heal, but leave dark hyperpigmented streaks and marble-like whorls on the skin. Other key features include dental and nail abnormalities, bald patche...
  12. Incubation period Incubation period
    Incubation period: In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the disease appear. For example, the incubation period of chickenpox is 14-16 days. In biology, the incubation period is the time needed for any particular process of developmen...
  13. Incubator Incubator
    Incubator: In biotechnology. an apparatus in which environmental conditions can be set and controlled. Incubators are used in microbiology for culturing (growing) bacteria and other microorganisms. Incubators in tissue culture rooms are used for culturing stem cells, lymphocytes, skin fibroblasts...
  14. Incurable Incurable
    Incurable: Not amenable to a cure. Incapable of being cured, healed and made well again. Many pancreatic cancers are incurable. From the word cure, from the Latin cura meaning care, concern or attention....
  15. Incus Incus
    Incus: One of the three tiny bones in the middle ear. Sound impulses coming from the eardrum are conveyed from the malleus to the incus and from the incus to the stapes at the oval window to the inner ear. Incus is Latin for anvil....