Dictionary

MAOI Monoamine oxidase (MAO) inhibitor.

MAO inhibitor One of a family of medications (brand names: Aurorex, Nardil, Parnate) that act to limit the activity of monoamine oxydase (MAO) in the nervous system. MAOIs are prescribed to treat depression, anxiety, migraine, and selected other conditions in patients who are not responsive to other medications. They interact with many overthe-counter medications and…

MAO Monoamine oxydase, an enzyme that is active in the nervous system. All the effects of MAO are not known, but it is known that MAO acts against the neurotransmitter epinephrine.

Mantle cell lymphoma A type of non-Hodgkin’s lymphoma that originates from a specific type of B lymphocytes. Abbreviated MCL. Most cases of MCL are associated with a specific chromosome translocation, t(11;14). MCL has a poor prognosis.

manic-depressive disease See bipolar disorder.

manic depression See bipolar disorder.

manic In a state of mania.

mania An abnormally elevated mood state that is characterized by such symptoms as inappropriate elation, increased irritability, severe insomnia, grandiose notions, increased speed and/or volume of speech, disconnected and racing thoughts, increased sexual desire, markedly increased energy and activity level, poor judgment, and inappropriate social behavior. A mild form of mania that does not require…

mandible The bone of the lower jaw. The joint where the mandible meets the upper jaw at the temporal bone is called the temporomandibular joint.

managed care Any system that manages health care delivery to control costs. Typically, managed care systems rely on a primary care physician who acts as a gatekeeper for other services, such as specialized medical care, surgery, and physical therapy.

mammogram An X-ray of the breast that is taken with a device that compresses and flattens the breast. A mammogram can help a health professional decide whether a lump in the breast is a gland, a harmless cyst, or a tumor. A mammogram can cause pressure, discomfort, and some soreness that lasts for a little…

mammary gland One of the two halfmoon–shaped glands on either side of the adult female chest, which with fatty tissue and the nipple make up the breast. Within each mammary gland is a network of sacs that produce milk during lactation and send the milk to the nipple via a system of ducts. Undeveloped mammary…