homozygous achondroplasia

ho·mo·zy·gous a·chon·dro·pla·si·a

severe achondroplasia caused by inheritance of two achondroplasia alleles, one from each parent; usually fatal in the first year of life.
References in periodicals archive ?
First-trimester prenatal diagnosis in couple at risk for homozygous achondroplasia.
Differential diagnosis of TD includes homozygous achondroplasia, achondrogenesis, captomelic dwarfism, chondrodysplasia punctata, severe hypophosphatasia and severe osteogenesis imperfecta.