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primordial sex cords
the cellular cords arising from the epithelium of the genital ridges during the indifferent state of gonadal development; they form seminiferous cords in male embryos and cortical cords in female embryos.
epithelial cells derived from the coelomic epithelium that penetrate the underlying mesenchyme, where they form cords. Also called primordial sex cords.
go·nad·al cords(gō-nad'ăl kōrdz)
Primordial sex cords formed by columns of germinal and follicle cells penetrating centripetally into the embryonic ovarian or testicular cortex.
cords formed by epithelial cells which migrate from the mesonephric tubules in the embryo to the gonadal ridge and establish the indifferent stage of gonadogenesis.
the structures in the embryo to which the primordial germ cells migrate, and from which the gonads develop.
gonadal stromal tumor
tumors of granulosa cells and thecal cells of the ovary.