Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «M»:
MALT lymphoma: A low grade type of malignancy that arises in cells in mucosal tissue which are involved in antibody production. These lymphomas occur most often in the stomach but can also arise in the lung, thyroid, salivary glands, eye, skin or soft tissues. MALT stands for mucosa-associated lymp...
MAM: Menstrually associated migraine. See: Menstrual migraine....
Mammaplasty, reduction: See: Breast reduction....
Mammary gland: One of the two half-moon-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 it to the nipple
via a system of ducts. Undevelope...
Mammogram: An X-ray of the breast with the breast in a device that compresses and flattens it. There are two basic mammogram tests
-- screening mammograms and diagnostic mammograms.
A screening mammogram is one done in women who have no signs of breast cancer. It usually involves two X-rays of eac...
Mammogram, screening: See: Screening mammogram....
Managed care: Any system that manages healthcare
delivery with the aim of controlling costs. Managed care systems typically rely on a primary care physician who acts as a gatekeeper through whom the patient has to go to obtain other health services such as specialty medical care, surgery, or phys...
Mandible: The mandible is the bone of the lower jaw. The
joint where the mandible meets the upper jaw at the temporal bone is called the
temporomandibular joint. ...
Maneuver, Heimlich: An emergency treatment for obstruction of the airway in adults. It may be needed when someone chokes on a piece of food that has "gone down the wrong way."
To perform the Heimlich maneuver, stand behind the victim, wrap your arms around their waist, makes a fist with one hand an...
Maneuver, Valsalva: See: Valsalva maneuver....
Mania: An abnormally elevated mood state
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 activit...
Mania, mixed: See: Mixed mania....
Manic: Refers to a mood disorder in which a person seems
"high", euphoric, expansive, sometimes agitated, hyperexcitable, with flights of
ideas and speech. ...
Manic-depression: Alternating moods of abnormal highs (mania) and lows (depression). Called bipolar disease because of the swings between these opposing
poles in mood. A type of depressive disease. Not nearly as prevalent as other forms of depressive disorders. Sometimes the mood switches are dramat...
Manic-depressive disease: See manic-depression....