Abstract
Immediately after birth, the seminiferous tubule is composed of gonocytes, spermatogonia and Sertoli cells. The gonocytes or primitive repro ductive cells are located mainly in the centre of the tubule and show a tendency to move towards the basement membrane. Two different types of gonocytes can be distinguished (Fig. 1, Chap. 3). When the gonocyte comes into contact with the basement membrane, it changes into a fetal spermatogonium, the largest cell in the infant seminiferous tubule (Fig. 1, Chap. 3). The most common cell in the seminiferous tubule in the 1st year is the Sertoli cell, an oval or polarized cell which, by definition, is always in contact with the basement membrane (Figs. 1, 2, 3a). It is a small cell (410 µ3) fulfilling, in addition to phagocytizing, hormone-producing, and nutritive functions, a supporting role (Figs. 1, 2, 3a).
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Hadžiselimović, F. (1983). Histology and Ultrastructure of Normal and Cryptorchid Testes. In: Cryptorchidism. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-86020-1_4
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DOI: https://doi.org/10.1007/978-3-642-86020-1_4
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