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KMID : 1005220090240030151
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Journal of Embryo Transfer
2009 Volume.24 No. 3 p.151 ~ p.157
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Serial Ultrasonographic Appearance of the Ovarian Structures during Proestrus, Estrus and Early Diestrus in Miniature Schnauzer Bitches
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Kim Hee-Su
Mun Byeong-Gwon
Oh Ki-Seok
Kim Bang-Sil
Son Chang-Ho
Park Chul-Ho
Suh Guk-Hyun
Park In-Chul
Kim Jong-Taek
Kim Jae-Hong
Lee Ju-Hwan
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Abstract
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Serial ultrasonography was conducted on Miniature Schnauzer bitches, on purpose to observe the ultrasonographic appearance of normal ovaries and ovarian structures during the estrous cycle. The size of ovaries was increased from on Day-12 (Day-0=ovulation day) to on Day-8 and there was no significantly different between both ovaries. The ovaries were recognized by its proximity to the caudal renal pole and appeared moderately echogenic oval shape with a smooth contour. The size of follicles was increased from on Day-12 to on Day-0 and there was no significantly different between both ovaries. The number of follicles was increased from on Day-12 to on Day-0 and there was no significantly different between both ovaries. The follicles were small anechoic fluid-filled structures in early of proestrus, more increased, and indistinguished from each follicles in late of proestrus. The size of corpora lutea was increased from on Day-0 to on Day-8 and there was no significantly different between both ovaries. The number of corpora lutea was increased from on Day-0 to on Day-38 and there was no significantly different between both ovaries. The corpora lutea were small anechoic cavity and thin hyperechoic wall in early of diestrus, became more hyperechoic, and increased homogenous structures. The results of this study would be useful for differential diagnosis between normal and abnormal structures of ovaries.
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KEYWORD
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ultrasonography, ovarian structures, estrous cycle, Miniature Schnauzer
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