overlaps overlaps Homo sapiens temporal bone http://upload.wikimedia.org/wikipedia/commons/6/66/Illu_cranial_bones2.jpg EHDAA:6035 FMA:52737 The temporal bone consists of four parts: * Squama temporalis * Mastoid portion * Petrous portion (Petrosal ridge) * Tympanic part[WP]. MESH:D013701 fusion of squamosal + angular (tympanic annulus) [derm.] + petrosal (prootic + opisthotic) GAID:232 Wikipedia:Temporal_bone NCIT:C12797 SCTID:181795004 os temporale MA:0001476 VHOG:0000800 UMLS:C0039484 The large, irregular bone located at the base and side of the skull; consists of three parts at birth: squamous, tympanic, and petrous. Note the Temporal bone is not explicitly categorized to a part of the cranium in FMA UBERON:0001678 In many mammals, as in humans, the petrosal, ectotympanic and squamosal bones synostose to form the temporal bone + styloid process EMAPA:17682 chondrocranium dermatocranium pneumatized bone splanchnocranium