Category: M
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Metharbital
Anticonvulsant used to treat epilepsy. Adverse effects include ataxia, irritability, and gastric distress.
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Meteortropism
Effects of climate on biological occurrences (e.g., angina, joint pains).
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Metencephaion
Part of the brain, including the pons and the cerebellum.
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Metaproterenol
Bronchodilator, available in oral and inhalant forms, and used to treat asthma, emphysema, and other lung conditions. Adverse effects include tachycardia and shakiness.
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Metamorpbopsia
Vision defect in which objects appear distorted; it is usually due to a defect in the retina.
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Meromelia
Congenital absence of any part of a limb including phocomelia and adactyly.
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Mercaptopurine
Antineoplastic and immunosuppressive drug used in the treatment of acute lymphocytic leukemia and certain other neoplasms. Adverse effects include nausea, vomiting, and bone marrow depression. A drug that prevents the growth of cancer cells and is administered by mouth, chiefly in the treatment of some types of leukemia. It commonly reduces the numbers of white…
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Menstrual phase
That phase of the menstrual cycle during which the lining of the uterus is shed. The first day of the menstrual flow is considered day 1 of the menstrual cycle.
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Menostasis
Condition in which menstrual products cannot leave the uterus or vagina, because of narrowing or closure of the normal openings.
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Meniere’s disease
Disease of the inner ear, characterized by recurrent episodes of dizziness, progressive hearing loss (usually unilateral), and tinnitus (ringing in the ears), often accompanied by nausea and vomiting. The cause is unknown, but the disease sometimes follows middle ear infection or injury to the head. Treatment is symptomatic, including the use of antihistamines. A rare…