sex cords


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sex cords

[′seks ‚kȯrdz]
(embryology)
Cordlike masses of epithelial tissue that invaginate from germinal epithelium of the gonad and give rise to seminiferous tubules and rete testes in the male, and primary ovarian follicles and rete ovarii in the female.
References in periodicals archive ?
Granulosa cell tumors arise from ovarian sex cords and make up an estimated 1% of all ovarian cancer cases but comprise more than 70% of all sex cord stromal tumors.
2] They encompass a heterogenous group of neoplasms containing variety of cells which are derived from gonadal sex cords or stromal cells.
They are carcinosarcomas of the ovary, sex cord stromal tumours, germ cell tumours, small cell tumours, squamous carcinoma arising within a dermoid, struma ovarii malignum and lymphomas.
Undifferentiated gonadal tissue describes the presence of persistent primitive sex cords containing immature germ cells.
Development of the sex cords causes the genital ridges to enlarge and grow into the mesonephros.
Clumps of mesenchymal cells between the sex cords will become vascularized and give rise to Leydig cells.
Sex cord stromal testicular tumors: a clinical series of uniformly stage I disease.