人类胎儿的表面积和体积。
The surface area and volume of the human fetus.
作者信息
Meban C
出版信息
J Anat. 1983 Sep;137 (Pt 2)(Pt 2):271-8.
Abstract
The surface area and volume of 79 human fetuses (body weight 8-4080 g) were estimated by use of a geometric method. It was found that body surface area increased by a factor of about 70, and body volume by a factor of about 400, during the fetal period. Surface area (S, in cm2) was related to body weight (W, in g) and crown-heel length (L, in cm) according to the equation S = 6.4954 X W0.562 X L0.320 while volume (V, in cm3) was related to the same two variables by the equation V = 0.6065 X W0.752 X L0.638. The former equation was used to construct a nomogram for estimating the surface area of human fetuses and neonates.
摘要
采用几何方法估算了79例人类胎儿（体重8 - 4080克）的表面积和体积。结果发现，在胎儿期，身体表面积增加了约70倍，身体体积增加了约400倍。表面积（S，单位：cm²）与体重（W，单位：g）和顶臀长（L，单位：cm）的关系符合方程S = 6.4954×W⁰.⁵⁶²×L⁰.³²⁰，而体积（V，单位：cm³）与这两个变量的关系则符合方程V = 0.6065×W⁰.⁷⁵²×L⁰.⁶³⁸。前一个方程被用于构建一张列线图，以估算人类胎儿和新生儿的表面积。
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