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KMID : 0351619680090020055
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Kyungpook Medical Journal
1968 Volume.9 No. 2 p.55 ~ p.77
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Studies on Relative Growth of Various Organs of Korean Fetus
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Abstract
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The weights of body, heart, liver, pancreas, kidney, thyroid, thymus, suprarenal body and eye ball of 102 cases of the Korean fetus from nth month to 10th month were weighed. The data wer applied with growth formula and relative .growth formula to analyse the growth pattern of Korean fetus in the later half of developmental life.
The results were as follows:
1) Growth ratios of 5th and 10th manth were generally between 6 times, and thymus showed the greatest ana the others were a-naller in the order of thyroid gland, heart, kidney, whole body, pancreas, liver, eye ball and suprarenal body.
2) Specific growth rates (growth velocity oforgan per unit weight) were decreased in kidney, thymus and eye ball as fetal age increased, while whole body, heart, liver, pancreas, thymus and suprarenal body showed increased rates up to 7th fetal ~~ge, and the rates were decreased thereafter.
3) All the organs studiedpancreas, heart, whole body, kidney, liver, thyroid gland, suprarenal body and e;-e ballshowed negative allor:.-etry t:o thymus, and growth centers were at the side of 5th month of the fetal age in general.
4) Only thymus showed positive ailometry to pancreas and grotveh centers appered to be at 6th month of the fetal age in general.
5) Thymus and pancreas were positive allometry to heart and growth centers were variable.
6) The ratio of positive allometry decreased in the order of thymus, pancreas and heart to whole body, and growth centers were variable.
7) The ratio of positive allometry decreased in the order of thymus, heart and whole body to kidney, and growth c:,nters were generally at the order of 10th month of the fetal age.
8) The ratio of posiitve allometry decreased in the order of thymus, pancreas, heart, whole body and kidney to liver and growth centers were generally at the side of 10th month of the fetal age.
9) The ratio of positive allometry decreased in the order of thymus, pancreas, heart, wholebody, kidney and liver to thyroid gland, and growth centers were variable.
10) The ratio of positive aIlometry in the organs except eye ball decreased in the order of thymus, pancreas, heart, whole body, kidney, liver and thyroid gland to suprarenal body, and growth onters were at the side of 5th month or" the fetal age in the mast of the cases.
11) All the organs studiedthymus, heart, whole body, kidney, liver, thyroid gland and supnrenal bodyshowed positive allometry to eye ball, and growth centers were variable.
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