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观察与测量了319个中国成人颅的眶下孔,以单孔最为多见,占88.56±1.26%。眶下孔之长径为5.16±0.06 mm(男)和4.84±0.09 mm(女);宽径为3.50±0.04mm(男)和3.25±0.05mm(女)。眶下孔居于眶下缘中点之下及中点内侧之下者分别为50.63±1.98%及49.21±1.98%。眶下孔之上缘中点至眶下缘的距离,男性为8.02±0.08mm,女性为7.45±0.10mm,男性显著大于女性。眶下孔中心至两鼻骨下缘中点的距离,男性为33.07±0.10mm,女性为31.00±0.10mm,男大于女。眶下孔开口朝向前下内及前下者,男性和女性分别为56.62%和57.80%。
The suborbital foramen of 319 Chinese adults was observed and measured, the most common being single hole, accounting for 88.56 ± 1.26%. The major diameter of the infraorbital foramen was 5.16 ± 0.06 mm (male) and 4.84 ± 0.09 mm (female); the width was 3.50 ± 0.04 mm (male) and 3.25 ± 0.05 mm (female). The infraorbital foramen located below the middle point of infraorbital rim and medial midpoint were 50.63 ± 1.98% and 49.21 ± 1.98%, respectively. The distance from the midpoint of the inferior margin of the infraorbital foramen to the infraorbital margin was 8.02 ± 0.08 mm for males and 7.45 ± 0.10 mm for females, significantly higher in males than in females. The distance from the center of the infraorbital foramen to the middle point of the inferior border of the two nasal bones was 33.07 ± 0.10mm for men and 31.00 ± 0.10mm for females, and the male was larger than the female. The infraorbital foramen opens toward the anterior, inferior, medial and anterior, with 56.62% and 57.80% men and women, respectively.