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Medical Dictionary Starting with M

Macerated Fetus

Having undergone reddening, loss of skin, and distortion of the features during retention in the uterus; macerated fetus

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Macrophage

A large scavenger white blood cell that ingests and processes foreign invaders and cellular debris Specialized macrophages protect the skin, lungs (alveolar macrophages), brain (microglia), liver (Kup...

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Macula

The area of the retina that allows fine details to be observed at the center of vision; also refers to any small, flat spot on the skin

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Macular Degeneration

Gradual loss of vision due to deterioration of nerve tissue in the retina

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Mad Cow Disease

Bovine Spongiform Encephalopathy; is a progressive neurological disorder of cattle that results from infection by an unusual transmissible agent called a prion. The nature of the transmissible agent i...

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Mad Hatter Syndrome

Gastrointestinal and central nervous system manifestations of chronic mercury poisoning, including stomatitis, diarrhea, ataxia, tremor, hyperreflexia, sensorineural impairment, and emotional instabil...

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Madness Disease

Von Hippel-Lindau disease; Von Hippel-Lindau syndrome is an inherited disorder characterized by the formation of tumors and fluid-filled sacs (cysts) in many different parts of the body. Tumors may be...

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Magnesium

A mineral that is essential for many body functions, including nerve impulse transmission, formation of bones and teeth, and muscle contraction

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Magnetic Resonance Imaging (MRI)

A sensitive, non- invasive method for viewing soft tissues of the body using a magnetic field

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Maintenance Therapy

Therapy that follows successful initial treatment of an illness; generally maintenance therapy continues for a lo ng period of time (possibly for life) to prevent disease recurrence Contrast with indu...

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Major Histocompatibility Complex (MHC)

A group of genes that controls the expression of cell surface protein markers (also known as human leukocyte antigen, or HLA, markers) that allow immune cells to recognize the body's own cells (that i...

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Malabsorption

An impaired ability of the lining of the small intestine to absorb nutrients from food

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Malacia

Malacosis; Softening, or loss of consistency, of an organ or tissue

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Malaise

A generalized feeling of illness and discomfort; a flu- like feeling

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Malandria

A species of lepra or elephantiasis Malanders or Mallenders, is a disease of the horse, which consists of a scurfy eruption on the inside of the hock, or a little below it, as well as at the bend of t...

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Malar

Pertaining to the cheek bone; zygomatic bone

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Malaria

A parasitic disease spread by mosquitos that causes chills and fever; potentially fatal complications in the liver, kidneys, blood, and brain are possible

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Malarial Cachexia

Is a term applied to a group of conditions, more or less chronic, the result of an antecedent attack of severe malarial fever, or a succession of such attacks, or of prolonged exposure to malarial inf...

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Malarial Fever

A fever produced by malaria, and characterized by the occurrence of chills, fever, and sweating in distinct paroxysms, At intervals of definite and often uniform duration, in which these symptoms are ...

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Malce

Chilblain; A kibe or Pernio Chilblains are painful inflammatory swellings, of a deep purple or leaden colour, to which the fingers, toes, heels, and other extreme parts of the body are subject, on bei...

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Malformation

Abnormal development of an organ or tissue

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Malignancy

A cancer, neoplasm, or tumor that grows in an uncontrolled manner, and may invade nearby tissue and metastasize, or spread, to other areas of the body

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Malignant

Having the properties of dysplasia, invasion, and metastasis

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Malignant Anemia

Pernicious Anemia; an anemia caused by a failure to absorb vitamin B12; which is essential in the production of normal red blood cells

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Malignant Fever

Fever which may make its approaches insidiously and subsequently becomes formidable Any fever which exhibits a very dangerous aspect Typhus Gravior

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Malignant Hyperthermia

A reaction to certain anesthesia gases involving intense muscle contractions and a high fever

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Malignant Melanoma

The most serious type of skin cancer, in which a mole changes shape, darkens, becomes painful, and/or bleeds easily

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Malignant Purpuric Fever

Cerebro-Spinal fever or epidemic cerebro-spinal meningitis, popularly called spotted fever, is an infectious disease occurring sporadically or in epidemics, and due to the diplococcus intracellularis....

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Malignant Smallpox

A still more serious form is that termed malignant, toxic or purpuric smallpox, in which there is intense streptococcus septicaemia, and the patient is from the onset overwhelmed with the poison and q...

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Malleolus

1 of 2 rounded protuberances on each side of the ankle, the inner is tibial & outer is fibular

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Malleus

The malleus is the most lateral middle ear ossicle, located between the tympanic membrane and the incus

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Mallory-Weiss Syndrome

A condition associated with alcoholism in which the lower end of the esophagus tears, causing vomiting of blood

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Malnutrition

Lack of the minimum amount of nutrients (proteins, carbohydrates, lipids, vitamins, minerals, etc) necessary for good health Malnutrition may result from poor diet, lack of appetite, or inadequate abs...

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Malocclusion

Improper alignment of biting or chewing surfaces of upper and lower teeth

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20000+ Medical & Health Terms for Doctors, students & patients from a medical dictionary. Our experts define difficult medical & health language in easy-to-understand explanations of each and every medical term.

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