Category: M

  • Maxillofacial dysostosis

    Hypoplasia of the maxillae and nasal bones resulting in a flattened face, elongated nose, and small maxillary arch with crowding or malocclusion of teeth.  

  • Membranous dysmenorrhea

    A severe spasmodic dysmenorrhea that is accompanied by the passage of a cast or partial cast of the endometrial membrane.  

  • Malignant dysentery

    A form of dysentery in which symptoms are very pronounced and dehydration occurs rapidly, usually terminating fatally.  

  • Medicine dropper

    According to USP XXII, a tube made of glass or other suitable transparent material that generally is fitted with a collapsible bulb and, while varying in capacity, is constricted at the delivery end to a round opening having an external diameter of 3 mm. When held vertically, it delivers water in drops each weighing between…

  • Murphy drip

    Slow rectal instillation of a fluid drop by drop.  

  • Manual lymphatic drainage

    Gentle massage techniques used to correct localized lymphedema (e.g., in patients who have swelling of the arm after mastectomy). Superficial massage is used; the direction of applied pressure depends on the treatment area.  

  • Medicated douche

    A douche containing a medicinal substance for the treatment of local conditions.  

  • Median lethal dose

    The amount of a substance, bacterium, or toxin that will kill 50% of the animals exposed to it.  

  • Median infective dose

    An infective dose that causes disease in half the subjects exposed to it.  

  • Median curative dose

    A dose that cures half of all treated patients.