1.osteoporosis 2.osteopetrosis 3.achondroplasia 4.osteomalacia A genetic disorder that results in dwarfism. In those with the condition, the arms and legs are short, while the torso is typically of normal length. Causes: Mutation in FGFR3 gene Symptoms: Short arms and legs, enlarged head, prominent forehead Frequency: 1 in 27,500 people Treatment: Support groups, growth hormone therapy, treatment of complications
Long bones form by endochondral ossification. So, achondroplasia can lead to incomplete ossification of these bones like humerus and antebrachial bones.