The morphology of pial blood vessels of the frog, preserved by rapid freezing and freeze substitution |
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| Authors: | Carole H. Latker Kathryn J. Lynch Stanley I. Rapoport |
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| Affiliation: | 1. Department of Irrigation & Reclamation Engineering, Faculty of Agricultural Engineering & Technology, College of Agriculture & Natural Resources, University of Tehran, Karaj, Tehran, Iran;2. Department of Geography, University of California, Santa Barbara, California;1. Department of Nutrition and Dietetics, Faculty of Health Sciences, Izmir Democracy University, Guzelyali, Konak, Izmir, Turkey;2. Department of Nutrition and Dietetics, Faculty of Health Sciences, Akdeniz University, Konyaalti, Antalya 07070, Turkey |
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| Abstract: | ![]()
Vesicular profiles in endothelial cells of frog meninges were examined in tissues preserved by rapid freezing or conventional chemical fixation. Tissues were frozen immediately after removal from the animal or after remaining in Ringers for several hours. Vesicular profiles with an average diameter of 240 nm were present in the endothelial cells in all experimental groups, demonstrating that they are not an artifact of chemical fixation or incubation in vitro. However, their concentration and morphology varied with the different preservation techniques. |
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| Keywords: | vesicle rapid freeze pial vessel meninges frog capillary endothelium |
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