deficiency

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deficiency

Biology the absence of a gene or a region of a chromosome normally present
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Effect of copper deficiency on oxidative DNA damage in T-lymphocytes.
However, we should be aware that copper deficiency can cause hematological abnormalities and sometimes it may masquerade as a myelodysplastic syndrome (MDS).
Iron overload disorders can occur from metabolic conditions or situations that impair the gastrointestinal absorption and transport, transmembrane and hepatic binding and transport, excessive iron supplementation, or copper deficiency or utilization problem.
Typically, copper deficiency is only seen in malabsorption syndromes and after gastric surgery.
Copper deficiency (e.g., due to inadequate copper inclusion in parenteral nutrition, malabsorption following gastric bypass surgery, excessive zinc administration, or idiopathic deficiency) [27].
Copper deficiency in pregnant women can cause various problems in the fetus, infants, and also to the mother.
Copper deficiency is very rare since copper is ubiquitous and daily requirement for copper is low.
A copper deficiency also can cause weakened heart and blood vessels.
Copper deficiency is often associated with increased incidence of root rot, stem and head Melanesia (purpling, appears as brown patches in the field at maturity) and possibly may increase the incidence of ergot [29].