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The Ultrasonographic Images of Normal Uterus in Korean Native Cow  

Park, Chul-Ho (College of Veterinary Medicine, Chonnam National University)
Kim, Jae-Hong (College of Veterinary Medicine, Chonnam National University)
Mun, Byeong-Gwon (College of Veterinary Medicine, Chonnam National University)
Kim, Hee-Su (College of Veterinary Medicine, Chonnam National University)
Kim, Bang-Sil (College of Veterinary Medicine, Chonnam National University)
Lee, Ju-Hwan (College of Veterinary Medicine, Chonnam National University)
Park, In-Chul (School of Veterinary Medicine, Kangwon National University)
Kim, Jong-Taek (School of Veterinary Medicine, Kangwon National University)
Suh, Guk-Hyun (College of Veterinary Medicine, Chonnam National University)
Oh, Ki-Seok (College of Veterinary Medicine, Chonnam National University)
Son, Chang-Ho (College of Veterinary Medicine, Chonnam National University)
Publication Information
Journal of Embryo Transfer / v.24, no.3, 2009 , pp. 159-167 More about this Journal
Abstract
Ultrasonographic examination was performed to observe the ultrasonographic image of Korean native cows' normal uterus in condition of in vitro and in vivo. The experiment was done 28 slaughtered cows' uterus using immersed in water in vitro, and 41 healthy breeding cows taken rectal ultrasonography in vivo. Ultrasonographic examination of uterine was taken on the reference of cross section of intercornual ligaments' cranial. Each uterus on the experiments was compared by estrous cycle and ultrasonographic frequency. The uterine structure using ultrasonography was 5 layers of uterine horn in vivo as well as in vitro. Uterine horn was observed to be distinguished from inside to outside as endometrium to inner echogenic layer, circular muscle layer to slightly echogenic elliptical layer, stratum vasculare to central echogenic layer, longitudinal muscle layer to slightly echogenic arched layer, and perimetrium to outer echogenic layer, respectively. According to the observation of uterus related to estrous cycle and ultrasonographic examination, uterine endometrium in vitro was constantly founded irrespective of estrous cycle and ultrasonographic frequency. On the low frequency, endometrium and circular muscle layer in estrus were prone to distinguished than in diestrus. On the high frequency, endometrium and circular muscle layer were always distinguished regardless of estrous cycle. In vivo, uterine endometrium and circular muscle layer were observed regardless of estrus and ultrasonographic frequency. On the low frequency, stratum vasculare and longitudinal muscle layer were not likely to be distinguished in diestrus, but estrus. On the high frequency, stratum vasculare and longitudinal muscle layer were observed regardless of estrous cycle. Also, every uterine structure was easily distinguished on high frequency than low frequency owing to precision of distinction in layers. The difference of results followed by the experiments conditions between in vitro and in vivo was that uterine endometrium and circular muscle layer in diestrus in vitro were difficult to be distinguished and uterine lumen was observed during whole estrous cycle. In vivo, It was founded that the distinction of stratum vasculare and logitudinal muscle layer in diestrus was complicated and uterine lumen was observed during only estrus. In view of the result so far achieved, normal uterine structure divided in 5 layers on ultrasonography was accorded with microscopic organization, uterine structure was likely to be observed during estrus than diestrus, high frequency checkup than low frequency, and uterine endometrium, circular muscle, stratum vasculare was easily observed regardless of estrous cycle and ultrasonographic frequency.
Keywords
uterine horn; ultrasonographic frequency; estrous cycle; Korean native cow;
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