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Histomorphometry of the testes and epididymis in the domesticated adult African great cane rat (Thryonomys swinderianus) / Histomorfometría del testículo y el epidídimo en la gran rata africana de la caña adulta domesticada (Thryonomys swinderianus)
Olukole, S. G; Obayemi, T. E.
  • Olukole, S. G; University of Ibadan. Faculty of Veterinary Medicine. Department of Veterinary Anatomy. NG
  • Obayemi, T. E; University of Ibadan. Faculty of Veterinary Medicine. Department of Veterinary Anatomy. NG
Int. j. morphol ; 28(4): 1251-1254, dic. 2010. ilus
Article in English | LILACS | ID: lil-582919
ABSTRACT
Histomorphometry of the testes and epididymis were carried out on the domesticated adult African great cane rat (Thryonomys swinderianus), also known as the grasscutter. The average weight and age of the cane rats used in the study were 1.93 +/- 0.42 kg and 18.80 +/- 1.39 months respectively. The mean relative volume of the germinal epithelium, interstitium and lumen of the seminiferous tubules of the cane rats were 68.54 +/- 1.63 percent, 8.86 +/- 0.85 percent and 21.40 +/- 1.12 percent respectively. The mean diameter of the seminiferous tubules of the cane rats used for this study was 183.0 +/- 11.06 um. The ductal diameter of the caput, corpus and cauda epididymis were 207.4 +/- 7.41 um, 237.8 +/- 10.15 um and 274.2 +/- 9.00 um respectively, being statistically different (p< 0.05). The epididymal luminal diameters were 95.8 +/- 11.52 µm, 126.8 +/- 8.35 um and 221.0 +/- 4.05 um, respectively for the caput, corpus and cauda epididymis. The caput, corpus and cauda epididymis had epithelial heights of 63.6 +/- 2.23 µm, 59.20 +/- 3.38 um and 28.60 +/- 9.23 um respectively. There was a high negative correlation (-0.7958) between epithelial height and lumen diameter meaning that with a decrease in the height of the epithelium, the lumen increased significantly. This research work provides base-line data on the histomorphometry of the testes and epididymis of the African great cane rat (Thryonomys swinderianus).
RESUMEN
Fueron realizados exámenes histomorfo-métricos de los testículos y del epidídimo en la gran rata africana adulta de caña demética (Thryonomys swinderianus), también conocido como grasscutter. El promedio del peso y de la edad de las ratas de caña fueron 1,93+/-0,42 kg y 18,80+/-1,39 meses, respectivamente. El volumen relativo del epitelio germinal, intersticio y lumen de los túbulosseminíferos de las ratas de caña fueron 68,54+/-1,63 por ciento, 8,86+/-0,85 por ciento y 21,40+/-1,12 por ciento, respectivamente. El diámetro de los túbulos seminíferos fue 183,0 +/- 11,06 uM. El diámetro ductal de la cabeza, cuerpo y cola del epidídimo fue 207,4+/-7,41 uM, 237,8+/-10,15 uM y 274,2+/-9,00 uM, respectivamente, siendo estadísticamente diferentes (p<0,05). El diámetro luminal del epidídimo fue 95,8 +/- 11,52 uM, 126,8 +/- 8,35 uM y 221,0 +/- 4,05 uM, respectivamente para la cabeza, cuerpo y cola. La cabeza, cuerpo y cola del epidídimo tuvieron alturas epiteliales de 63,6 +/- 2,23 uM, 59,20 +/- 3,38 uM y 28,60 +/- 9,23 uM, respectivamente. Hubo una alta correlación negativa (-0,7958) entre la altura epitelial y el diámetro del lumen, lo que significa que con una disminución en la altura del epitelio, el lumen aumentó apreciablemente. Este trabajo proporciona una base de datos histomorfométricos de los testículos y el epidídimo de la gran rata africana de caña (Thryonomys swinderianus).
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Full text: Available Index: LILACS (Americas) Main subject: Rodentia / Testis / Epididymis Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Nigeria Institution/Affiliation country: University of Ibadan/NG

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Full text: Available Index: LILACS (Americas) Main subject: Rodentia / Testis / Epididymis Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Nigeria Institution/Affiliation country: University of Ibadan/NG