医药科学

• 乳突的

  The cadavers was side-lying position ,and the head was slightly anteflexioed to uninjured side to keep that mastoidal medial margin was apogee and that the aquamous part of occipital bone was horizontal position.

  模拟乙状窦后锁孔入路:侧卧位,头稍向健侧前屈,以乳突的内侧缘为最高点,枕骨鳞部基本处于水平位。