Category: M
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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.
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Membranous dysmenorrhea
A severe spasmodic dysmenorrhea that is accompanied by the passage of a cast or partial cast of the endometrial membrane.
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Malignant dysentery
A form of dysentery in which symptoms are very pronounced and dehydration occurs rapidly, usually terminating fatally.
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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…
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Murphy drip
Slow rectal instillation of a fluid drop by drop.
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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.
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Medicated douche
A douche containing a medicinal substance for the treatment of local conditions.
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Median lethal dose
The amount of a substance, bacterium, or toxin that will kill 50% of the animals exposed to it.
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Median infective dose
An infective dose that causes disease in half the subjects exposed to it.
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Median curative dose
A dose that cures half of all treated patients.