s]
| malnutrition occurring in infants and young children, caused by insufficient intake of calories or protein and characterized by thinness, dry skin, poor muscle development, and irritability. |

marasmus ma·ras·mus (mə-rāz'məs)
n.
Chronic wasting of body tissues, especially in young children, commonly due to prolonged dietary deficiency of protein and calories. Also called athrepsia.