deficiency = AVITAMINOSIS but prefer specific precoordinated vitamin deficiency terms (avitaminosis A = VITAMIN A DEFICIENCY, etc.); /ther use: coordinate with disease term with either /drug ther or /diet ther depending on whether the vitamin is discussed as a drug or a dietary supplement
Scope Note
Organic substances that are required in small amounts for maintenance and growth, but which cannot be manufactured by the human body.
