(redirected from protein deficiency)
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.


a lack or shortage; a condition characterized by the presence of less than the normal or necessary supply or competence.
color vision deficiency see color vision deficiency.
deficiency disease a condition due to dietary or metabolic deficiency, including all diseases caused by an insufficient supply of essential nutrients.
iron deficiency deficiency of iron in the system, as from blood loss, low dietary iron, or a disease condition that inhibits iron uptake. See iron and iron deficiency anemia.


An insufficient quantity of some substance (as in dietary deficiency or hemoglobin deficiency in marrow aplasia), organization (as in mental deficiency), activity (as in enzyme deficiency or reduced oxygen-carrying capacity of the blood), etc., of which the amount present is of normal quality.
See also: deficiency disease.
[L. deficio, to fail, fr. facio, to do]


Genetics Loss of a segment of a chromosome. See Chromosome Lab medicine An inadequacy in procedure, record-keeping, policy, or implementation thereof, that has been identified by a regulatory agency Medtalk Any absolute or relative lack of an exogenous or endogenous substance in the body. See Aldolase A deficiency, Alpha2-antiplasmin deficiency, Alpha-1 antitrypsin deficiency, Androgen deficiency, Apolipoprotein C-II deficiency, Apolipoprotein E deficiency, Arginase deficiency, Arginine deficiency, Biotin deficiency, Calcium deficiency, Carnitine deficiency, Carnosinase deficiency, Chromium deficiency, Condition level deficiency, Congenital antithrombin III deficiency, δ-sarcoglycan deficiency, Diphosphoglycerate mutase deficiency, Eosinophil peroxidase deficiency, Factor V deficiency, Factor VII deficiency, Factor X deficiency, Glucocerebrosidase deficiency, Glucose-6-phosphate dehydrogenase deficiency, Gonadotropin deficiency, Hageman factor deficiency, HDPRT deficiency, Hexokinase deficiency, Hexose phosphate isomerase deficiency, HMG-CoA synthase deficiency, Immunodeficiency, Immunoglobulin A deficiency, Immunoglobulin M deficiency, Iodine deficiency, Iron deficiency, Lactase deficiency, L-CHAD deficiency, Late-onset immune deficiency, LFA-1 deficiency, Lipoprotein lipase deficiency, Lysyl-protocollagen hydroxylase deficiency, Magnesium deficiency, Manganese deficiency, Medium chain acyl-coenzyme A dehydrogenase deficiency, Methemoglobin reductase deficiency. 5,10-methylenetetrahydrofolate reductase–MTHFR deficiency, MHC class II deficiency, Myeloperoxidase deficiency, Neuraminidase deficiency with beta-galactosidase deficiency, Ornithine transcarbamylase deficiency, Plasminogen activator inhibitor-1 deficiency, Protein deficiency, Protein C deficiency, Protein S deficiency, Purine nucleoside phosphorylase deficiency, Secondary deficiency, Selenium deficiency, Severe combined immune deficiency, Sucrase-isomaltase deficiency, Testosterone 17 β-dehydrogenase (NADP+) deficiency, Triosephosphate isomerase deficiency, Vitamin A deficiency, Vitamin C deficiency, Vitamin D deficiency, Vitamin E deficiency, Vitamin K deficiency, Zinc deficiency.


An insufficient quantity of some substance (as in dietary deficiency, hemoglobin deficiency (as in marrow aplasia), organization (as in mental deficiency), activity (as in enzyme deficiency or reduced oxygen-carrying capacity of the blood), or other process or component of which the amount present is of decreased quantity.
See also: deficiency disease
[L. deficio, to fail, fr. facio, to do]


a shortage of some quality or element necessary for health.


A shortage of something necessary for health.
Mentioned in: Kinesiology, Applied


An insufficient quantity of some substance, or organizational activity of which the amount present is of normal quality.
[L. deficio, to fail, fr. facio, to do]

Patient discussion about deficiency

Q. haemoglobin deficiency Haemoglobin deficiency - 6.3 rbc count less than normal range. platelets are 157000

A. what you describe here is pretty harsh numbers. very very low hemoglobin, low platelets level...have you checked for white blood cells? i recommend seeing a Dr. ASAP. with these numbers there is a good chance that you'll bleed from places that are not supposed to bleed.

Q. Recently I came to know after a test that I am vitamin D deficient so how much vitamin D should I take? I am 26 yrs old and I have fibromyalgia. Recently I came to know after a test that I am vitamin D deficient so how much vitamin D should I take?

A. what is a normal level of vitamin d for a 65 yr old woman?

Q. what can be done for spontaneous hypothermia? is there a deficiency of hormones or anything that can be taken

A. hypothermia can be caused by al sort of things. Some bacterial infections, poisoning, aciduria , hypothyroidism and more. Is this the only symptom? I’m sure there are some others. But I think this could be a good idea to check up with a Dr.

More discussions about deficiency
References in periodicals archive ?
Photo: This baby suffers from protein deficiency, or more specifically, lack of essential amino-acid building blocks.
The efficacy of subcutaneous goretex implants in monitoring wound healing response in experimental protein deficiency. Connective tissue research.
That means nearly 70% of the population belong to all the scheduled castes and 8% belonging to the tribals are stealthily pushed into protein deficiency. ( Cover Story, 17 April 2017).
TIBC values are low in cases of iron overload, protein deficiency, and certain chronic diseases.
Your note reads like a description of protein deficiency. Please consider adding some more protein to your diet.
By analyzing regional diets worldwide and modeling likely changes to protein content triggered by elevated levels of C[O.sub.2], the authors of the new study estimate that by the year 2050 more than 148 million people could become newly at risk for protein deficiency. (3) "What this work shows, as well as a lot of other research, is that anthropogenic disruptions of most of Earth's natural systems have significant impacts on global health," says senior author Samuel Myers of Harvard University.
The patient became edematous, also suspected to be from protein deficiency as a result of malabsorption during the course of treatment (Figure 4).
Specific combination of compound heterozygous mutations in 17beta-hydroxysteroid dehydrogenase type 4 (HSD17B4) defines a new subtype of D-bifunctional protein deficiency Orphanet J Rare Dis 2012;7:90.
The most common diseases showing findings of autoimmunity included immune dysregulation, polyendocrinopathy, enteropathy X-linked syndrome (16.7%); autoimmune lymphoproliferative syndrome (10%); lipopolysaccharide-responsive beige-like anchor protein deficiency (10%); and DiGeorge syndrome (10%).
"As protein deficiency is core problem affecting a majority of Indians; Mahakosh Hunky Chunky has been launched to provide a hygienic, cost effective, protein rich vegetarian meal option to consumers", said Mr.
A report from Fisheries Improved for Sustainable Harvest Project, a program for improved fisheries management, showed protein deficiency among fishing communities was increasing at an alarming rate due to overfishing, illegal fishing and habitat destruction combined with increased demand for fish and population growth.
It is related with mechanical, nutritional and immunological problems as well as electrolyte imbalance and protein deficiency. It is most commonly seen in retroperitoneal surgeries including abdominal aortic surgery and retroperitoneal lymph node dissection.