The typical appearance of achondroplastic dwarfism can be seen at birth.

And in 15 years, he'd not found a genetic marker for achondroplastic dwarfism, nor had anyone encouraged him to look.

Finbar McBride, a quiet, withdrawn, unmarried man with achondroplastic dwarfism, has a deep love of railroads.

That hunch proved incorrect, but in a roundabout way it eventually led him to identify the receptor as the cause of a very different disease, achondroplastic dwarfism.

For example, older fathers have an elevated risk of giving birth to children with achondroplastic dwarfism, Marfan syndrome and myositis ossificans, a disease of bony tissue.

Have a genetic (inherited) disorder in which the bones of the arms and legs do not grow to normal size and the vertebrae of the spine do not grow normally (achondroplastic dwarfism).