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Drugs and diseases reference index

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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «D»:

  1. Dioxin Dioxin
    Dioxin: One of a number of poisonous petroleum-derived chemicals which are produced when herbicides (substances used for killing plants) are made or when plastics are burned. Dioxins are chemically dibenzo-p-dioxins. One of the best known is TCDD (2, 3, 7, 8-TCDD). Dioxins cause skin disease (chlo...
  2. Dip, paraffin Dip, paraffin
    Dip, paraffin: A treatment for the symptoms of joint and muscle conditions, such as arthritis, that consists of melted mineral wax derived from petroleum applied to a body area. Paraffin dips can be especially helpful in relieving the pain and stiffness of arthritis involving the small joints of th...
  3. Dip, wax Dip, wax
    Dip, wax: A treatment for the symptoms of joint and muscle conditions, such as arthritis, that consists of melted mineral wax derived from petroleum applied to a body area. Wax dips can be especially helpful in relieving the pain and stiffness of arthritis involving the small joints of the hands wh...
  4. Dipeptide Dipeptide
    Dipeptide: A peptide consisting of two amino acids....
  5. Diphtheria Diphtheria
    Diphtheria: An acute infectious disease that typically strikes the upper respiratory tract including the throat. It is caused by infection with the bacteria Corynebacterium diphtheriae. Symptoms include sore throat and mild fever at first. As the disease progresses, a membranous substance forms ...
  6. Diploe Diploe
    Diploe: The soft spongy material between the inside table and outside table (the interior and exterior bony plates) of the skull. The diploe contains bone marrow....
  7. Diploid Diploid
    Diploid: The number of chromosomes in most cells of the body. This number is 46 in humans. It is naturally twice the haploid number of 23 chromosomes contained in human eggs (ova) and sperm....
  8. Diplopia Diplopia
    Diplopia: The condition in which a single object appears as two objects. Also called "double vision." From the Greek diplo- (double) + -opia (vision). See also: Diplopia, binocular; Diplopia, monocular....
  9. Diplopia, binocular Diplopia, binocular
    Diplopia, binocular: Double vision (diplopia) that is only evident when looking through both eyes and disappears if one eye is closed or covered. The condition is caused by misalignment of the eyes by the extraocular muscles (the muscles around the eyeball that control gaze). This may be due to str...
  10. Diplopia, monocular Diplopia, monocular
    Diplopia, monocular: Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular diplopia can be caused by astigmatism (abnormal curvature of the front of the cornea), keratoconus (cone-shaped cornea), pterygium (thickening of the conjunctiva over th...
  11. Dipper Dipper
    Dipper: A person in whom there is the normal nocturnal fall (dip) in blood pressure. The opposite of a dipper is a nondipper....
  12. Diprivan Diprivan
    Diprivan: a prescription sedative-hypnotic drug (generic name propofol) that is administered intravenously. Propofol is commonly used in the induction of general anesthesia and can be used both for the induction and maintenance of general anesthesia. When administration of the drug is discontinue...
  13. Diprosopus Diprosopus
    Diprosopus: Two-faced conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of their bodies with one set of limbs. Part or all of the face is duplicated. The condition usually results in stillbirth. The ancient two-faced Mexican figurines known as the "pret...
  14. Dipsophobia Dipsophobia
    Dipsophobia: An abnormal and persistent fear of drinking alcohol. Sufferers of dipsophobia experience undue anxiety about addiction to alcohol and the effect this addiction can have on their body. (However, their abstinence from alcohol certainly should not be criticized.) "Dipsophobia" is derived f...
  15. Dipsosis Dipsosis
    Dipsosis: Excessive thirst; overwhelming desire for water or another liquid. Dipsosis may occur when the amount of water in the body falls below normal. Any activity that causes perspiration can deplete the body's water supply and trigger dipsosis. So can fever, anxiety, sunburn and heat exhaustion....