kwashiorkor
n. a form of malnutrition caused by inadequate intake of protein (see protein deficiency). The symptoms include fluid accumulation in the tissues, liver disorders, impaired growth, distention of the abdomen, and pigment changes in the skin and hair. Cerebral development also may be impaired. Although it may occur at any age, it is most often seen in children up to 4 years old. The condition is most common in very poor countries. See also marasmus.