deficiency in form

См. также в других словарях:

• Deficiency, hex-A — Deficiency of the enzyme hexosaminidase A, the cause of Tay Sachs disease. Hex A deficiency results in failure to process a lipid (a fat) which accumulates and is deposited in the brain and other tissues, to their detriment. The lipid that is… …   Medical dictionary

• Deficiency, hexosaminidase A — Deficiency of the enzyme hexosaminidase A, the cause of Tay Sachs disease. Hex A deficiency results in failure to process a lipid (a fat) which accumulates and is deposited in the brain and other tissues, to their detriment. The lipid that is… …   Medical dictionary

• 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 Academy of Sciences,… …   Medical dictionary

• Deficiency, iron — The most common known form of nutritional disorder in the world, iron deficiency results in anemia because iron is necessary to make hemoglobin, key molecule in red blood cells responsible for the transport of oxygen. In iron deficiency anemia,… …   Medical dictionary

• Deficiency, sphingomyelinase — Also called Niemann Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin that usually causes the progressive development of enlargement of the liver and spleen (hepatosplenomegaly), swollen glands… …   Medical dictionary

• Deficiency, GALT — Lack of the enzyme called GALT (galactose 1 phosphate uridyl transferase) which causes the genetic metabolic disease galactosemia, one of the diseases in many newborn screening panels. The disease can be fatal, if undetected. If detected, it can… …   Medical dictionary

• Deficiency, vitamin K — A lack of vitamin K resulting in an increase in the clotting time of the blood, impaired clotting and a tendency to excessive bleeding. Blood clotting is delayed or prevented because vitamin K is unavailable to act as an essential element (a… …   Medical dictionary

• Deficiency, UROD — Lack of the enzyme uroporphyrinogen decarboxylase (UROD) which is the basic cause of porphyria cutanea tarda (PCT), the late skin form of porphyria. PCT is a genetic photosensitive (light sensitive) skin disease with onset in adult life with a… …   Medical dictionary

• Deficiency, uroporphyrinogen decarboxylase — Lack of the enzyme uroporphyrinogen decarboxylase (UROD) which is the basic cause of porphyria cutanea tarda (PCT), the late skin form of porphyria. PCT is a genetic photosensitive (light sensitive) skin disease with onset in adult life with a… …   Medical dictionary

• deficiency — An insufficient quantity of some substance (as in dietary d. or hemoglobin d. in marrow aplasia); organization (as in mental d.); activity (as in enzyme d. or reduced oxygen carrying capacity of the blood), etc., of which the amount present is of …   Medical dictionary

• PTA deficiency — PTA deficiency, a form of hemophilia caused by a deficiency in blood plasma of one of the factors necessary for blood clotting. ╂[< p(lasma) t(hromboplastin) a(ntecedent) + deficiency] …   Useful english dictionary