hypophosphatasia moderate hypophosphatasia A rare, moderate form of hypophosphatasia characterized by defective mineralization of bone and/or teeth, premature loss of teeth with intact roots, and reduced serum alkaline phosphatase (ALP) activity. Individuals can present with this form of hypophosphatasia in infancy, childhood, or adulthood. It can inherited via either autosomal dominant or autosomal recessive inheritance. MONDO:0600010 GARD:0026294