Disease associated with characteristic and identifiable symptoms, signs, or pathological findings, due to insufficient intake, defective absorption or utilization, or excessive metabolism of one or more nutrients. See also anaemia; beriberi; pellagra; protein-energy malnutrition; scurvy.
A disease brought about because some vital element is missing in the diet. The food lack is generally of protein, vitamins, or minerals. Common conditions are:
| LACK OF: | DEFICIENCY DISEASE |
|---|---|
| vitamin B | kwashiorkor |
| vitamin C | scurvy |
| vitamin D | rickets |
| iron | anaemia |
A disease caused by lack of an essential nutrient. See also vitamin deficiency disease.
| defensin, defective virus, dedifferentiation | |
| deficient, defined medium, degeneracy |
A disturbance produced by lack of nutritional or metabolic factors. Used chiefly in reference to avitaminosis.
