styliform element
An unjointed, rod-like bony or cartilaginous structures that extend from distal limb joints in tetrapods. [ https://doi.org/10.1038/nature14423 https://github.com/obophenotype/uberon/issues/695 ]
Term info
styliform element
https://github.com/cmungall, https://github.com/alex-dececchi, https://github.com/balhoff, https://github.com/RDruzinsky
uberon
UBERON:0035561
in some mammals this is found in a cartilaginous state, and articulates with the lateral border of the carpus.