Among the posterior ethmoidal neuro vascular bundle 15 branches ( 37.5% ) were located in sphenoethmoidal lamina, 16 (40%) in posterior ethmoidal cell, and 9 (22.5%) at the anterior wall of the posterior ethmoidal cell.
Among the posterior ethmoidal neuro vascular bundle 15 branches ( 37.5% ) were located in sphenoethmoidal lamina, 16 (40%) in posterior ethmoidal cell, and 9 (22.5%) at the anterior wall of the posterior ethmoidal cell.
筛后神经血管丛37.5％走行于蝶筛板，40％走行于最后筛房内，22.5％走行于最后筛房前壁；