DISEASES INDEX [M]

SIGNS SYMPTOMS / DISEASES INDEX [M]

Common Diseases List (M): Find medical advices, information and definitions about common diseases, illnesses, disorders, syndroms and deficincies. What are the signs, symptoms, causes, diagnosis, management, and treatments information. Click the disease link to view details.

Mastocytosis is a disorder that results when too many mast cells, called mastocytes & CD34+ mast cell precursors exist in the body. It has many types & may be experienced by children & adults....
By definition, Mastoiditis is an infection of the mastoid process, which is that part of the temporal bone of the skull & is located behind the ear....
MAT deficiency is used to describe two metabolic disorders, which are unrelated -- Beta-ketothiolase deficiency & Hypermethioninemia. Beta-ketothiolase deficiency prevents the body from properly processing the products of lipid breakdown, known as amino acid isoleucine. Hypermethioninemia is a condi...
Maternal death pertains to the death of a woman during or shortly after pregnancy that arises from factors or circumstances related to pregnancy or childbirth. It is also referred to as obstetrical death or maternal mortality....
Maturity onset diabetes of the young is a condition in which the body has defective insulin but does not include any forms of type 2 diabetes....
Mcardle disease definition: By definition MacArdle's disease is also known as Glycogen storage disease type V & is a kind of metabolic disorder that is characterized by the body's inability to produce enough of the muscle isoform called phosphorylase. Relatively recent, it was first identified in 1951 by the English physician ...
McCune-Albright syndrome is also known as polyostotic fibrous dysplasia. It is a genetic condition with disorder of the bones, pigmentation of skin & premature puberty with hormonal problems....
2Measles, which is also known as, Rubeola is a viral disease that has had a long history with medical accounts of it going as far back as 600 B.C. It was first clinically described in an Arabic book which significantly distinguished it from small pox. Measles is one of the great childhood killers, c...
By definition Meckel syndrome is also known as Meckel-Gruber Syndrome, Gruber Syndrome, Dysencephalia Splanchnocystica & is an extremely rare & often lethal genetic disorder; it is so rare that estimates for rates of incidence is about .02 for every 10,000 births. The country of Finland has the most...
Medial tibial stress syndrome definition: Medial Tibial Syndrome, otherwise known as the Shin Splints, is an injury that is usually common to runners & athletes. It refers to the pain arising along the large bone in front of the lower leg or the Shinbone or the Tibia. It is usually a result of the over stress of the shinbone & the connectiv...
Mediastinal fibrosis is a highly uncommon but the most extremely severe & late complication of histoplasmosis. Majority of physicians believe that mediastinal fibrosis is brought about by the abnormal immunologic response of the patient to antigens that are typically released by soil-based fungus ca...
Mediterranean anemia is a type of an inherited blood disorder that is characterized by reduced levels of hemoglobin & few red blood cells in the body. Genetic defects are largely the cause of this disease. Mild conditions do not usually require any form of treatment. Although the sever form would re...
By definition, Familial Mediterranean fever (FMF) is a hereditary inflammatory disorder that specifically afflicts a groups of patients who come from in & around the Mediterranean Sea- hence the name. The disorder is also very prominently present among Armenians, Sephardi Jews & people from Turkey &...
Medium-chain acyl-coa dehydrogenase deficiency definition: By definition, this deficiency is a fatty acid oxidation disorder that is connected with inborn errors of metabolism errors that occur at birth The defect is found in the enzyme complex called medium-chain acyl dehydrogenase (MCAD) whose ability to function efficiently is reduced significantly. The ...
By definition, medullary cystic disease is also known as nephronophthisis & is a genetic disorder of the kidneys which typically affects children....
By definition, medulloblastoma is an extremely malignant primary brain tumor that comes from the cerebellum or posterior fossa of the human brain. It belongs to the family of tumors knows as cranial primitive neuroectodermal tumors or PNET....
Megacolon otherwise known as the Hirschsprung's disease, is a disease that usually hits the large intestine or the colon causing bowel movement problems....
Mega-epiphyseal dwarfism definition: This is also known as Otospondylomegaepiphyseal dysplasia (OSMED) & is an autosomal recessive disorder that affects bone growth resulting in skeletal abnormalities & a host of other complications. severe hearing loss & distinctive facial features. As the name suggests, the condition affects not only...
Megalencephaly is a form of cephalic disease characterized by an abnormally large, heavy & malfunctioning brain. This disorder is also known as macrencephaly....
By definition, Megaloblastic anemia is a rare form of anemia classified as macrocytic that result when DNA synthesis is inhibited in the body's red blood cell production...
Meige syndrome definition: First described by Henri Meige 1904, this syndrome is now more commonly called oral facial dystonia....
Melanoma is a form of skin cancer which develops in the cell producing melanin....
Melanoma, malignant definition: Melanomas are tumors of melanocytes that are malignant & found basically on the skin but can also appear elsewhere in the body. While it is rarer compared to other skin cancers, it however causes the majority of deaths related to cancer; more frequent among Caucasian males, the WHO reports that over...
Melanotic macule, oral definition: A non-cancerous (benign), dark spot found on the lips or inside the mouth is called oral melanotic macule. It also sometimes called a labial melanotic macule if found on the lip....
Characterized in 1984, MELAS is the abbreviation for Mitochondrial myopathy, encephalopathy, lactic acidosis, stroke-like episodes, which belongs to the family of mitochondrial cytopathies which include MERRF & Leber's Hereditary Optic Atrophy....
Melasma definition: A skin condition presenting as brown patches on the face of adults, where both sides of the face are usually affected is called melasma. The forehead, the cheeks, bridge of the nose & the upper lip are the most common sites of involvement for this condition....
Meleda disease definition: Its peculiar name is derived from the Dalmatian island of Melda because its founder was said to have been afflicted with the disease. Extremely rare, meleda disease is an inherited disorder of the skin characterized by thick, dry patches of skin which appear on the soles of both hands & feet (palmop...
Melioidosis definition: This disease is defined as an infectious disease caused by the Gram-negative bacterium Burkholderia pseudomallei which is found in soil & in water. There are certain places where this bacterium is specially prevalent such as Thailand & Australia & that care must be given to those who might be travel...
Melkersson-Rosenthal syndrome is an extremely rare neurological disorder that basically afflicts facial features...
Memory loss refers to the different processes to which one tends to forget his thoughts, whether uncontrollably or by intent. Among kinds of memory loss are amnesia, senility & aphasia....
Menarche is a medical term used in reference to a female's first menstrual period, or the first menstrual bleeding in women that signals her transition into puberty....
Menetrier's disease definition: MΘnΘtrier disease which is also known as hyperplastic hypersecretory gastropathy, is named after the French physician Pierre EugΦne MΘnΘtrier & is a disorder in which the gastric mucosal folds or rugae become enlarged....
Meninges cancer pertains to a disorder characterized by a cancerous malignancy or carcinoma found in the brain's meninges, or that intricate system of membranes that envelops the central nervous system. If the tumor originates in the meninges, it is known as meningioma....
Meningiomas are actually the most common benign tumors of the brain although there is a small number which can also be malignant. They come from the arachnoidal cap cells of the meninges & represent about 15% of all primary brain tumors....
Meningitis is one of the more common diseases which result from the inflammation of the protective membranes that the central nervous system, known collectively of course as the meninges from where it gets its name....
Meningitis in children definition: Meningitis is a severe bacterial infection that triggers the brain & spinal cord. It commonly affects children ages 6 to 12 months....
Meningitis, meningococcal definition: By definition Meningococcemia occurs when there is the presence of Neisseria meningitidis (also known as meningococcus) which is a severe bacterical infection in the blood stream. Initially, the disease presents some difficulties in proper identification because it appears in different forms dependi...
Posterior meningocele is a least common form of the condition known as spina bifida which is Latin for split spine. Spina bifida is a birth defect that affects the neural tube. What happens is that there is an incomplete closure of the embryonic neural tube which contributes to an unformed spinal co...
Meningococcemia is a fatal & acute infection of the bloodstream. It often results to vasculitis, which is an inflammation of the blood vessels....
Meningoencephalocele definition: By definition, Encephalocele is also sometimes known by the Latin name cranium bifidum & is a neural tube defect that is characterized by sac-like protrusions of the brain & the membranes that cover it. These sacs actually protrude outside through openings in the skull....
Meningomyelocele is a condition in which protruded membranes cover the spine as well as some of the spinal cord through the vertebral column's defective bony encasement. The bony defect is referred to as spina bifida....
Meniscus Tear is the condition whereby there is a forceful rotation of the knee which usually causes the tearing of the meniscus....
Menkes disease is a disorder affecting the body's copper levels & characterized by sparse & coarse hair, growth & development problems, as well as deterioration of the nervous system. It is also alternatively known as Menkes kinky hair syndrome....
Menopause literally means the permanent physiological, or natural, cessation of menstrual cycles, from the Greek roots 'meno' (month) & 'pausis' (a pause, a cessation). Menopause means the permanent end of the monthly female reproductive cycles & in humans this is usually indicated by a permanent ab...
Menorrhagia definition: is an abnormally heavy & prolonged menstrual period at regular intervals. Causes could be due to abnormal blood clotting, disruption of normal hormonal regulation of periods or disorders of the endometrial lining of the uterus. Depending on the cause, it may be associated with abnormally painful per...
Menstrual cramps often referred to as dysmenorrhea, is the pain in the lower abdomen experienced by women before & during their menstruation....
Mental retardation is a term for the pattern of slow learning in childhood that affects basic motor & language & which progresses into below-normal intellectual capacity when the child reaches adulthood. The term has been described as being politically-incorrect & clinicians prefer using the term de...
Meralgia parenthetica is a paresthesia that results from damage to one of the nerves coursing through the spine to the thigh region....
Meralgia paresthetica (burning thigh pain) pertains to a condition defined by a tingling, numbing & burning pain in the outer thigh....
Merasmus is a disease characterized by progressive emaciation & general wasting as a consequence of a weakened disposition rather than any specific identifiable cause. It is generally considered to be a type of malnutrition. Merasmus may also be spelled Marasamus, Mirasmus or Marasumus. Sometimes, i...
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