chondrodysplasia Blomstrand type (MONDO_0008970) can be described as follows. Blomstrand lethal chondrodysplasia (BLC) is a neonatal osteosclerotic dysplasia characterized by advanced endochondral bone maturation, very short limbs, dwarfism and prenatal lethality. Also known as: BLC, BOCD, Blomstrand chondrodysplasia, Blomstrand lethal chondrodysplasia, Blomstrand osteochondrodysplasia, Blomstrand type chondrodysplasia, chondrodysplasia, Blomstrand type.