Choudhry R, Choudhry S, Anand C
Department of Anatomy, Lady Hardinge Medical College, New Delhi, India.
J Anat. 1988 Aug;159:113-6.
Three human skulls showing duplication of the optic canal are reported. Two had bilateral duplication while one had duplication on one side only. The measurements of the whole canal were within the range of normal. Septa of variable thickness separated the main and the accessory canals in these skulls and the skulls also showed a tendency to excessive bone formation.
报告了三例显示视神经管重复的人类头骨。两例为双侧重复，一例仅一侧重复。整个神经管的测量值在正常范围内。不同厚度的间隔将这些头骨中的主神经管和副神经管分隔开，并且这些头骨还显示出骨过度形成的倾向。
