乳牛における子宮角超音波画像の解析
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概要
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The ultrasonic features of the uterine horn in dairy cows were compared with the macro- and microscopic features to find reliable landmarks for ultrasonography. The uterine horns removed from 16 slaughtered Holstein cows were immersed in water and examined with ultrasonography in cross-section. Then these uterine horns were examined macroscopically and microscopically in cross-section. In another part of our experiment, layers in the uterine were removed from the uterine wall under ultrasonic observation and the remaining tissues were examined macroscopically and microscopically. Also a 21-G needle was placed vertically into successive layers of cross-sections of the uterine horn under macroscopic observation and then the tissues were examined ultrasonically to determine where the tip of the needle was. Then a small amount of Indian ink was injected through the needle into each layer and the locations of the ink deposits were determined histologically. The uterine wall was visualized in 5 layers on the ultrasonic images: inner echogenic layer, slightly echogenic elliptical layer, central echogenic layer, slightly echogenic arched layer and outer echogenic layer, from inside to outside. Through macro- and microscopic examinations, it was found that the slightly echogenic elliptical layer corresponded to the circular muscle layer, and the slightly echogenic arched layer corresponded to the longitudinal muscle layer. In the present study, it was demonstrated that the 5 layers imaged by ultrasonography corresponded histologically to the endometrium, myometrium (circular muscle layer, stratum vasculare, longitudinal muscle layer) and perimetrium, from inside to outside, respectively.
- 日本繁殖生物学会の論文
著者
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齋藤 康倫
東京農工大学農学部・家畜臨床繁殖学研究室
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MACHIDA Noboru
Laboratory of Veterinary pathology, Tokyo University of agriculture and Technology
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田中 知己
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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KAMOMAE Hideo
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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KANEDA Yoshihiro
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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Machida Noboru
Laboratory Of Veterinary Pathology Tokyo University Of Agriculture And Technology
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Tanaka Tomomi
Laboratory Of Veterinary Reproduction Tokyo University Of Agriculture And Technology
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Kamomae Hideo
Laboratory Of Veterinary Reproduction Tokyo University Of Agriculture And Technology
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Kaneda Yoshihiro
Laboratory Of Theriogenology Faculty Of Agriculture Iwate University
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SAITO Yasumichi
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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Tanaka T
Lab. Of Veterinary Reproduction Tokyo Univ. Of Agriculture And Technol.
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加茂前 秀夫
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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MACHIDA Noboru
Laboratory of Veterinary Clinical Oncology, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
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齋藤 康倫
Laboratory of Veterinary Reproduction, Tokyo University of Agriculture and Technology
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