巖骨基底，3個小管: 乳突、鼓室與頸鼓小管
基礎(chǔ)醫(yī)學(xué)

        ①乳突Mastoidprocess②已切除之莖突Styloidprocessremoved③莖乳孔Stylomastoidforamen④乳突小管Mastoidcanaliculus⑤鼓室小管Tympaniccanaliculus⑥頸靜脈窩Jugularfossa⑦蝸小管外口Externalapertureofcochlearaqueduct⑧頸鼓小管Caroticotympaniccanaliculus⑨頸動脈管Ca    （共 221 字）     [閱讀本文] >>