where it overlaps with expression of Gdf5 , an early marker for joint formation .
In mice , Osr1 is expressed in the interdigital mesenchyme and presumptive synovial joints during limb development .
where Osr1 overlaps with expression of Gdf5 , an early marker for joint formation .
In mice , Osr1 is expressed in the interdigital mesenchyme and presumptive synovial joints during limb development .