n. pl. sper·mat·o·go·ni·a (-nē-ə) Any of the cells that give rise through mitosis to the spermatocytes and are found in the testes of vertebrates. [New Latin : SPERMATO- + -gonium, seed, cell, reproductive structure of a fungus or plant; see SPERMOGONIUM.] sper·mat′o·goni·al (-nē-əl) adj. |
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