Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.
砧骨短脚或砧骨窝及外半规管是乳突手术中确定FN锥曲段的重要标志。
Short limb of incus(or incudal fossa) and lateral semicircular canal are important landmarks by which pyramidal segment of FN might be located in manipulation of mastoid.
砧骨短脚或砧骨窝及外半规管是乳突手术中确定FN锥曲段的重要标志。
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