part of part_of part of part_of has part has_part has part in_lateral_side_of temporal bone EHDAA:6035 EMAPA:17682 FMA:52737 GAID:232 In many mammals, as in humans, the petrosal, ectotympanic and squamosal bones synostose to form the temporal bone + styloid process MA:0001476 MESH:D013701 NCIT:C12797 Note the Temporal bone is not explicitly categorized to a part of the cranium in FMA OpenCyc:Mx4rvbkAk5wpEbGdrcN5Y29ycA The temporal bone consists of four parts: * Squama temporalis * Mastoid portion * Petrous portion (Petrosal ridge) * Tympanic part[WP]. UBERON:0001678 UMLS:C0039484 VHOG:0000800 fusion of squamosal + angular (tympanic annulus) [derm.] + petrosal (prootic + opisthotic) os temporale the large, irregular bone located at the base and side of the skull; consists of three parts at birth: squamous, tympanic, and petrous uberon chondrocranium dermatocranium facial bone pneumatized bone splanchnocranium facial skeleton lateral structure