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Seminferous tubule - Convoluted portion
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Spermatogonia <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-1-ping.png)
Spermatogonia
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Primary spermatocytes in prophase <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-2-ping.png)
Primary spermatocytes in prophase
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Primary spermatocytes in metaphase <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-3-ping.png)
Primary spermatocytes in metaphase
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![- Mitotic spindle <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-4-ping.png)
- Mitotic spindle
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Early spermatids <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-5-ping.png)
Early spermatids
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Late spermatids <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-6-ping.png)
Late spermatids
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Sertoli cells <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-7-ping.png)
Sertoli cells
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Residual bodies <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-11-ping.png)
Residual bodies
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Tunica propria <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-8-ping.png)
Tunica propria
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Leydig cell <p>Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-12-9-ping.png)
Leydig cell
Primary spermatocytes, the largest cells in the spermatogenic lineage, form from mitotic division of spermatogonia in the basal compartment. Primaries migrate through the blood-testis barrier and enter a prolonged period of prophase of meiosis I. Primary spermatocytes complete meiosis I, the reductional phase, to produce haploid secondary spermatocytes. 1000x
![Image source > <p>Image taken of a slide in the University of New England College of Osteopathic Medicine slide collection.</p>](https://digitalhistology.org/wp-content/uploads/2023/11/O.R.M.T.TP-13-8-ping.png)
Image source >
Image taken of a slide in the University of New England College of Osteopathic Medicine slide collection.