147例胎儿眼球及晶状体的测量  

MEASUREMENT OF THE EYEBALLS AND LENSES IN 147 CASES OF CHINESE FETUSES

作　　者：许梦阳[1] 安题名[1] 孔祥玉[1] 

机构地区：[1]承德医学院解剖教研室

出　　处：《承德医学院学报》1991年第4期208-210,共3页Journal of Chengde Medical University

摘　　要：观测147例胎儿尸体眼球的直径、前后径和重量及晶状体的直径、厚度和重量。所得各种数据经统计学处理,发现胎儿眼球近于圆球形,早期前后径略大于直径,二径线前期增长较快,9、10月龄增长较缓,至出生达成人的3/4。晶状体生长发育中,其形体主要在胚胎期完成,胚胎早期近于球形,6月龄以后直径的增长明显快于厚度的增长而变为扁圆形,至出生前厚度达成人水平,直径达成人的2/3。晶状体重量占眼球重量的百分率随胎儿月龄的增大而呈下降趋势。The diameter, anteroposterior and weight of the cyeballs, and diameter, thickness and weight of the lenses were measured in 147 cases of chinese fetuses.These fetuses with gestational ages ranging 4—10 months were fixed in 10% formalin.All the measurement data were Processed statistically.The main findings are as follows: (1) These eyeballs are approximate to a ball in shape; their diameter is slightly shorter than anteroposterior diameter; the two diameters grow fastly during the early stage of embryonic development, then slowly from the 9 th to 10th month in the embryonic Period, and the two diameter length is three-fourths that of adults at birth; (2) These lenses are nearly like a ball in shape from the 4th to 5th month of embryonic period, then become obviously oblate sphere after the 6th month; at birth, the lens diameter reaches two-thirds as long as that of adults and the thickness come up to adult levels; (3) The weight ratio of lens to eyeball decreases with gestational age advancing.

关 键 词：眼球 晶状体 胎儿 测量 

分 类 号：R[医药卫生]