alexa Postnatal development of seminiferous tubules in the cat.
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Snchez B, Pizarro M, Garca P, Flores JM

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Abstract Testes were obtained from 20 cats with an age range of 1 day to 1 year. In the neonatal period the seminiferous tubules were widely separated by a well-developed interstitium. Tubular diameter was small and no lumen was observed within the seminiferous tubules. These showed many undifferentiated Sertoli cells with round to ovoid nuclei and only one or two spermatogonia, usually centrally situated. From 2 to 4-5 months the interstitium was sparse, tubular diameters were increased and the morphology of the seminiferous tubules was very similar to that in the neonatal period (< 2 months). From 5 to 7 months, tubular diameters were larger, a lumen was observed, the seminiferous epithelium began to assume its characteristic stratification and the blood testis barrier was developed. From 8 months of age spermatogenesis was fully established.
This article was published in J Reprod Fertil Suppl and referenced in Journal of Cytology & Histology

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