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Medical Dictionary Terms Beginning with D
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Deficiency, adenosine deaminase (ADA)
Deficiency, adenosine deaminase (ADA): A genetic (autosomal recessive) condition that results in a immune deficiency disorder (severe combined immunodeficiency disease). The first successful gene therapy in humans was done in 1990 by W, French Andmore detail info...
Deficiency, alpha-1 antitrypsin
Deficiency, alpha-1 antitrypsin: An inherited disease with little or no production of an important protein, alpha-1 antitrypsin. The lack of this protein leads to damage of various organs, mainly the lung and liver. The disease may become apparent at amore detail info...
Deficiency, calcium
Deficiency, calcium: A low blood calcium (hypocalcemia). Hypocalcemia makes the nervous system highly irritable with tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, overly active reflexes, etc.). Chronic calcium deficiency contrimore detail info...
Deficiency, FALDH
Deficiency, FALDH : Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) anmore detail info...
Deficiency, FAO
Deficency, FAO: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) and memore detail info...
Deficiency, fatty alcohol:NAD+ oxidoreductase
Deficiency, fatty alcohol:NAD+ oxidoreductase: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegiamore detail info...
Deficiency, fatty aldehyde dehydrogenase
Deficiency, fatty aldehyde dehydrogenase: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasmore detail info...
Deficiency, glucocerebrosidase
Deficiency, glucocerebrosidase: Causes Gaucher’s disease (type 1), a progressive genetic disease, due to an enzyme defect. The enzyme, glucocerebrosidase, is needed to break down the chemical glucocerebroside. The enzyme defect in persons with Gaumore detail info...
Deficiency, glucose-6-phosphate dehydrogenase (G6P
Deficiency, glucose-6-phosphate dehydrogenase (G6PD): Deficiency of G6PD is the commonest disease-causing enzyme defect in humans affecting an estimated 400 million people. The G6PD gene is on the X chromosome. Males with the enzyme deficiency developmore detail info...
Deficiency, hex-A
Deficiency, hex-A: Deficiency of hexosaminidase A. This causes a disorder known as Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance in Man) as ôan autosomal recessive, progressive neurodegenerative disorder,more detail info...
Deficiency, hexosaminidase A
Deficiency, hexosaminidase A: Deficiency of hexosaminidase A causes a disorder known as Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance in Man) as ôan autosomal recessive, progressive neurodegenerative disomore detail info...
Deficiency, iron
Deficiency, iron: Deficiency of iron results in anemia because iron is necessary to make hemoglobin, the key molecule in red blood cells responsible for the transport of oxygen. In iron deficiency anemia, the red cells are unusally small (microcytic) amore detail info...
Deficiency, lactase
Deficiency, lactase: Lack of an enzyme called lactase in the small intestine that is needed to digest lactose, a component of milk and some other dairy products. Most people are born with the ability to make adequate amounts of lactase but lactmore detail info...
Deficiency, magnesium
Deficiency, magnesium: Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium (hypomagnesemia) is often associated with low calcium (hypocalcemia) and potassium (hypokalemia) levels. Deficiency of magnesium caumore detail info...
Deficiency, niacin
Deficiency, niacin: Deficiency of niacin, one of the B-complex vitamins, causes pellagra. Pellagra was known as the "disease of the four D's" -- dermatitis, diarrhea, dementia and death. The disease is specifically characterized by: Dermatitis: Amore detail info...
Deficiency, protein C
Deficiency, protein C: Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation of a clot. Deficiency of protein C results in thrombotic (clotting) disease.more detail info...
Deficiency, selenium
Deficiency, selenium: Deficiency of the essential mineral selenium causes Keshan disease, a fatal form of cardiomyopathy (disease of the heart muscle) first observed in Keshan province in China and since found elsewhere. According to the National Academore detail info...
Deficiency, UDP-glucuronosyltransferase
Defiency, UDP-glucuronosyltransferase: Underactivity of a liver enzyme that is essential to the disposal of bilirubin (the chemical that results from the normal breakdown of hemoglobin from red blood cells). The deficiency of this enzyme (UDP-glucuronomore detail info...
Deficiency, zinc
Deficiency, zinc: According to the National Academy of Sciences, the Recommended Dietary Allowances of zinc are 12 milligrams per day for women and 10 milligrams per day for men. Food sources of zinc include meat including liver, eggs, seafood, nuts amore detail info...
Deformation
Deformation: A change from the normal size or shape. Also called deformity. A deformation can be present at birth (congenital) or develop after birth (acquired).more detail info...