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In medicine, a deficiency is a lack or shortage of a functional entity, by less than normal or necessary supply or function. A person can have chromosomal deficiencies, mental deficiencies, nutritional deficiencies, complement deficiencies, or enzyme deficiencies.
The following is a list of terms, used to describe disabilities or people with disabilities, which may carry negative connotations or be offensive to people with or without disabilities.
A deficiency in construction, an item, or condition that is considered sub-standard, or below minimum expectations; Genetic deletion, in genetics, also called a deficiency; A deficiency judgment, in the law of real estate; Deficiency (statistics) is a measure to compare two statistical models
Humoral immune deficiency (including B cell deficiency or dysfunction), with signs or symptoms depending on the cause, but generally include signs of hypogammaglobulinemia (decrease of one or more types of antibodies) with presentations including repeated mild respiratory infections, and/or agammaglobulinemia (lack of all or most antibody production) which results in frequent severe infections ...
AMPD1 deficiency is caused by a defect in the mechanism for production of AMP deaminase – an enzyme that converts adenosine monophosphate (AMP) to inosine monophosphate (IMP). [3] While the deficiency affects approximately 1–2% of people in populations of predominantly European descent, [ 3 ] the disorder appears to be considerably rarer in ...
Niacin deficiency is a consequence of a diet low in both niacin and the amino acid tryptophan, a precursor for the vitamin. Low plasma tryptophan is a non-specific indicator, meaning it can have other causes. The signs and symptoms of niacin deficiency start to revert within days of oral supplementation with large amounts of the vitamin. [23] [24]
Vitamin B12. Vitamin B12 is a water-soluble vitamin that affects systems throughout the body. When the body isn't getting enough of this nutrient, people experience such symptoms as fatigue ...
An analysis of data from more than 8,000 adults in the U.S. revealed that 14% had low iron blood levels, a condition known as absolute iron deficiency, while 15% had the right iron levels but ...