胚胎期肠道和胃部生长的定量研究
Quantitative aspects of the embryonic growth of the intestine and stomach.
作者信息
Sbarbati R
出版信息
J Anat. 1979 Dec;129(Pt 4):795-803.
The increase in the volume of the intestine and stomach with time was estimated in mouse embryos by means of a morphometric technique. The specific growth rate of the intestine is constant until birth, whereas that of the stomach decreases by a constant amount in time. Evidence is given that the growth of both these organs is a continuous process in the period under study; growth models based on exponential phases separated by breaks were not confirmed. A methodological criticism relating to the effect of skew sectioning in the estimation of the intestinal length and cross sectional area is put forward.
通过形态测量技术估计了小鼠胚胎中肠胃体积随时间的增加情况。肠道的特定生长速率在出生前保持恒定，而胃的特定生长速率随时间以恒定幅度下降。有证据表明，在研究期间这两个器官的生长是一个连续过程；基于由间断分隔的指数阶段的生长模型未得到证实。针对在估计肠道长度和横截面积时倾斜切片的影响提出了一种方法学批评。
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