Magnified Transverse Section
of a Seminiferous Tubule (400x)
Interstitial Cells
Produce male sex hormones or androgens; testosterone is the principle androgen
Spermatogenic Cells
Undergoing meiosis, a reductional division which produces haploid cells (sperm)
Spermatozoa
Immature sperm in lumen of seminiferous tubule
Stem Cells
Undergo mitosis, producing two daughter cells; one daughter cell stays in the periphery, the other enters meiosis