摘要
本文报道用 X 线摄片的方法,研究了194例胎儿(胎龄12～35周)脊柱的骨化及其生长动态。结果:1.提供了各胎龄组胎儿脊柱颈、胸、腰、骶、尾段的长轴生长发育资料,并计算出回归方程,根据胎龄可精确推算各段长度。2.报道骶椎和尾椎原发骨化点出现顺序的规律,有助于胎龄判断和骨发育的估计。女性骨化点的出现比男性略提前,呈现一定性差。3.胎儿脊柱各段全长以胸段最长,依次是腰、颈、骶段;每个椎体单位以腰椎最长,依次是胸、骶、颈椎。在12～35周之间,每个椎体单位平均增长以腰椎最快,依次是胸、颈、骶椎;而与原来长度相比,增加倍数的顺序也是腰、胸、颈、骶椎。
The ossification and development of the spinal column in 194 Chinese fetuses
were studied with radiographic method.Fetal age ranged from 12-35 weeks were
divided into 20 groups.The results were as follows:1.A series of data of longitu-
dinal growth of cervical,thoracic,lumbar,sacral and coccygeal regions in different
fetal age groups was obtained,and the regression equations were presented.It is
possible to estimate the length of various regions of vertebral column accurately
according to fetal-age.2.The sequence of development of the primary ossification
centres in sacral and coccygeal regions was found.The regular pattern will be help-
ful to determine the fetal-age and the development of bone.It is confirmed that
the appearance of ossification centres is earlier in female than that in male.There
is an existence of sexual difference.3.The total length of the thoracic region is
always the longest while that of the lumbar,cervical and sacral being progressively
shorter.In comparison with the length of average“vertebral unit”,the lumbar is
the longest,cervical the shortest,thoracic is longer than sacral.During the period of
12-35 weeks,the sequence of the length increased is lumbar,thoracic,cervical,and
sacral,and comparing with original length,it is also lumbar,thoracic,cervical,and
sacral.
出处
《解剖学报》
CAS
CSCD
北大核心
1989年第1期11-15,共5页
Acta Anatomica Sinica
关键词
中国人
胎儿
脊柱
生长发育
Fetal-age
Primary ossification centre
Sexual difference
Vertebral unit
Regression equation
