| Electron Microscopic Observations of Fat-storing Cells on the Liver Of Squirrels |
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Jae-Hyun Lee1, Joon Sup Lee2 |
1Department of Veterinary Medicine, College of Agriculture, Gyeongbug National University
2College of Veterinary Medicine, Seoul National University |
| 다람쥐 간지방섭취세포(肝脂肪攝取細胞)의 전자현미경적(電子顯微鏡的) 관찰(觀察) |
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이재현1, 이준섭2 |
1경북대학교 농과대학 수의학과
2서울대학교 수의과대학 |
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| Abstract |
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In order to know the morphology and the function of the fat-storing cells (FSC) of the squirrels which were captured at the Pal-Gong mountain near Taegu in December, 1980 (Group A) and May, 1981 (Group B), respectively, the light and electron microscopic observations were conducted on the liver of the squirrels. The results obtained are as follows: 1. Light microscopically, the size of the lipid droplets in the FSC of group A was uniformly larger than those in the cells of group B, and number of the droplets in the FSC of group A was less than those in the cells of group B, The distribution of the FSC of group A was mainly perilobular area while those of group B was centrolobular and midzonal areas. In this point of view, the FSC of the squirrels was similar to those cells of the hamsters. 2. Electron microscopically, general morphology of the sqirrel's FSC was accorded with those of the other mammals. However, the rouph surfaced endoplasmic reticulum in the FSC of group B was more dilated than those in the cells of group A, and more lipid droplets and pinocytopic vesicles were observed in the FSC of group B than those in the cells of group A. 3. From the above evidences, it could be suggested that the metabolic rates in the FSC of the squirrels collected in the spring were higher than those in the cells of the animals collected in the winter. |
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