microcephalic osteodysplastic primordial dwarfism type ii microcephalic osteodysplastic primordial dwarfism type ii microcephalic osteodysplastic primordial dwarfism type ii (mopd ii) is a form of primordial dwarfism associated with brain and skeletal abnormalities. it was characterized in 1982. microcephalic osteodysplastic primordial dwarfism type iiother namesmajewski osteodysplastic primordial dwarfism type iimicrocephalic osteodysplastic primordial dwarfism type ii is inherited in an autosomal recessive mannerspecialtymedical genetics mopd ii is listed as a rare disease by the office of rare diseases (ord) of the national institutes of health (nih). this indicates that mopd (or a subtype of mopd) affects less than 200,000 people in the us population. it is associated with the protein pericentrin (pcnt). notable persons with mopd ii lucia zarate, sideshow entertainer bridgette jordan, smallest living woman until her death in 2019