Morphological observations of uterine and vaginal duplexes with a developmental anomaly at the vaginovestibular junction in a Japanese brown calf.
Since a rare anomaly of the female genital tract was defined as uterine and vaginal duplexes with a developmental anomaly at the vaginovestibular junction, it was morphologically examined in detail in a Japanese Brown calf. The genital tract was completely duplicated from the uterus to the vagina just cranial to the vestibule. At the vaginovestibular junction, a hymenal constriction and an aberrant location of the outer urethral orifice were also observed. These anomalies suggest that an error in the complete fusion of the Mullerian ducts and a failure in the correlated development between the Mullerian ducts and the urogenital sinus occurred in the embryonic stage.
Department of Functional Animal Anatomy, School of Agriculture, Kyushu Tokai University, Kumamoto, Japan.
Yasuo
Y
Moritomo
D000015:Abnormalities, Multiple / Q000473:pathology*; D000818:Animals; D002417:Cattle / Q000002:abnormalities*; D005260:Female; D005836:Genitalia, Female / Q000002:abnormalities*; D009095:Mullerian Ducts / Q000002:abnormalities / Q000196:embryology; D014521:Urethra / Q000002:abnormalities*