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한국인 정상신의 신동맥에 관한 연구

Studies on the Arteries of the Korean Human Kidney

대한비뇨기과학회지 1978년 19권 6호 p.525 ~ 535
윤종병/Yoon JB
김진철/Kim JC

Abstract


Followings are the results obtained from the observation on the microangiograms and Geon D11 Alatex molding casts in the rabbit, canine and Korean human Kidneys.
1. The findings of microangiograms in the rabbit and canine Kidneys are uniform interlobar arteries run toward lateral border of Kidney in radiating form without branching, divide the Kidney into similar sized segments and segmental distribution is evident. The arcuate arteries arising from the interlobar arteries run toward lateral border to form numerous interlobular arteries, make angle nearly horizontal with av. 152.8 degree in rabbit and with av. 151.6 degree in canine. In Korean human Kidney, it is difficult to confirm the interlobar arteries and arcuate arteries because of ununiform size and length of these. And the angle between arcuate arteries is sharp with av. 40.6 degree.

2. The findings of the molding casts in rabbit and canine Kidneys are that interlobar arteries running toward lateral border of Kidney with radiating form are evident, which are 6-9 branches from anterior division and 5-7 from posterior in rabbit and 7-9 from anterior and 5- 7 from posterior in canine. The angle between arcuate arteries dividing from interlobar arteries with right angle is nearly horizontal with av. 162.3 degree in rabbit and with av. 159.8 degree in canine. The numerous interlobular arteries arise from arcuate artery with right angle. In Korean human Kidneys it is difficult to confirm interlobar arteries which are 2-4 branches originating from anterior because of ununiform size and length of these. And the angle between arcuate arteries in sharp degree with av. 43.7 degree.

3. The renal collecting system which has close relation to are pathway of interlobar arteries by molding casts shows that calyces are symmetrical, 2 rows and regular in rabbit and canine Kidneys while irregular in human.

4. Nephrotomy line, that is, junction of anterior and posterior division blood supply in the Kidney by molding casts is different between canine and human. Nephrotomy line in human is in posterior aspect of lateral border of Kidney almost 2/3 but there is no avascular area in the lateral borden of Kidney, the so called Brodels line as advocated by Brodel because interlobular arteries branching from arcuate arteries are interdigitated together as end arteries.

5. Gross anatomic differences of renal vasculature among rabbit, canine and human on the basis of microangiograms and molding casts suggest that rabbit and canine may not be suitable subjects for surgical experimentation.

키워드

신장; 신동맥; kidney; renal artery; Korean
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