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What are the internal structures of the testis?
-mediastinum
-testicular parenchyma
where is sperm produced?
in lobules → in parenchyma
-exit via rete testis/tubules
What are the tissue layers in the testis?
Parietal vaginal tunic
Visceral vaginal tunic
Tunica albuginea (meets in the center to form the mediastinum)
What are seminiferous tubules made of?
Seminiferous epithelium (sperm generation)
Lumen (empty space for sperm travel)
What cell types are found in seminiferous epithelium?
Sertoli cells (support developing sperm)
Immature germ cells (spermatogonia, spermatocytes, spermatids)