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Int. j. morphol ; 32(2): 732-737, jun. 2014. ilus
Article in English | LILACS | ID: lil-714337

ABSTRACT

The objective of this study was to establish in New Zealand female rabbits, the effect of ordinal number of parturitions on some histological parameters on the day after weaning. Tissue fragments of uterus and vagina were obtained from females of first, second and third parturitions and were processed imbedding them in paraffin in order to do histological cuts. In eight microscope fields captured by a camera connected to an optic microscope, the lumen and glandular endometrial epithelium height, as well as the thickness of vaginal and myometrium epithelium thickness were measured. From the results that were obtained it was concluded that there are significant differences (p<0.05) in histological parameters evaluated in uterus and vagina between does of different parturitions, which indicates that the number of parturitions has an effect on histometric characteristics of genital tract organs in breeder female rabbits.


El objetivo del presente estudio fue determinar en conejas Nueva Zelanda el efecto del número ordinal de partos sobre algunos parámetros histológicos, en el día posterior al destete. A partir de hembras de primero, segundo y tercer parto se obtuvieron fragmentos de tejido uterino y vaginal los que se procesaron mediante la técnica de inclusión en parafina para efectuar cortes histológicos. En ocho campos microscópicos capturados con una cámara conectada a un microscopio óptico se midió la altura del epitelio luminal y glandular del endometrio; el grosor del epitelio de la vagina y del miometrio. A partir de los resultados obtenidos se concluye que existen diferencias significativas (p<0,05) en los parámetros histológicos evaluados en útero y vagina entre las conejas de distintos partos, lo que indica que el número de partos tiene un efecto sobre las características histométricas de los órganos del tracto genital de la coneja.


Subject(s)
Animals , Female , Pregnancy , Rabbits , Rabbits/anatomy & histology , Uterus/anatomy & histology , Vagina/anatomy & histology , Parturition , Weaning
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