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. 1979 Jul 15;55(12):1159-65.

[Development and differentiation of the rat epididymis. I: ultrastructural aspects of the peritubular zone]

[Article in Italian]
S Francavilla, V Santiemma, F Francavilla, S Moscardelli, G Forcella, A Fabbrini
  • PMID: 576008

[Development and differentiation of the rat epididymis. I: ultrastructural aspects of the peritubular zone]

[Article in Italian]
S Francavilla et al. Boll Soc Ital Biol Sper. .

Abstract

We investigated the ultrastructural aspects of the peritubular cells of epididymis and their development from birth to adult age. At birth the peritubular zone consisted of polygonal cells which did not differ from other interstitial cells. Cytoplasmic filaments were visible in the cells of the inner layer at day 6. From day 22 the peritubular cells reached the adult aspect. The peritubular cells in the rat epididymis had aspects similar to those of peritubular smooth muscle cells of rat testis, with a more precocious appearance of cytoplasmic filaments. This finding concurs with the observed precocious contractility of epididymis.

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