File:Túbulo basal.png

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Español: Fig. 2. Efectos del tiempo y la congelación en la morfología celular detallada en los túbulos seminíferos de visón.

Alteración morfológica de núcleos en muestras de tejido testicular de visón con 0, 6, 18, 30, 42 h de retraso antes de la fijación o congeladas 6 h post mortem y descongeladas antes de la fijación.
a) Los testículos de visón fijados 0 h ora post mortem muestran una morfología normal y las diferentes células germinales son fáciles de distinguir.
Las células de Sertoli (S) muestran núcleos angulares con heterocromatina y un nucléolo denso, con el núcleo muy cerca de la membrana basal.
El tejido intersticial muestra células de Leydig (L) y los vasos capilares y linfáticos son fáciles de reconocer.
S = célula de Sertoli, R = espermátida redonda, L = célula de Leydig, PE = Espermatocito primario temprano (leptoteno y cigoteno), PP = Espermatocito de paquiteno.
Todas las muestras de testículos se fijaron en fluido de Davidson modificado y se tiñeron con HE.

Barra de escala = 20 μm.
Date
Source Effect of Pre-Fixation Delay and Freezing on Mink Testicular Endpoints for Environmental Research. (2015). PLoS ONE 10(5): e0125139. doi:10.1371/journal.pone.0125139
Author Ellinor Spörndly-Nees, Elisabeth Ekstedt, Ulf Magnusson, Azadeh Fakhrzadeh, Cris L. Luengo Hendriks, Lena Holm

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