Figures showing the common origin of mouse and human craniofacial bones.
Homology
References: Gans 1993, Richtsmeier, et al. 2008
Synchondroses
Bones
Yellow, presphenoid
Green, basisphenoid
Blue, basioccipital
Purple, exoccipital
Sychondroses
ISS intersphenoid synchondrosis
SOS, sphenooccipital synchondrosis
EO-BO, exoccipital-basioccipital synchondrosis
Origin
Bones labeled in blue are derived from cranial neural crest cell.
References: McBratney, et al. 2008, and Sperber et al. 2010