EntityQ5367024· pop 8· linked from 127 articlesmastoid antrumSign in to saveair space in the petrous portion of the temporal boneConnectionsmastoid part of the temporal boneEntityforamen magnumEntitypterygoid processes of the sphenoidEntitysquamous part of occipital boneEntityparietal boneEntitytympanic cavityEntitysella turcicaEntitysuperciliary archEntityexternal occipital protuberanceEntitymastoid cellEntityLatinEntityskullEntityfrontal boneEntityoccipital boneEntitytemporal boneEntitysphenoid boneEntityethmoid boneEntitymiddle earEntityfacial nerveEntityauditory ossicleEntityCategoriesBones of the head and neckEarHuman head and neckOtologyOtorhinolaryngologySkull