+The testis is a vital [male](/wiki/male) reproductive gland. Within its intricate structure, it is the primary site for [sperm](/wiki/sperm) production and the synthesis of crucial hormones. These essential functions are key to fertility and development.
+## See also
+- [Ovary](/wiki/ovary)
+- [Scrotum](/wiki/scrotum)
+- [Androgen](/wiki/androgen)
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