Nazan Deniz Yön; Cansu Akbulut. Identification of Primordial Germ Cells: Cytological, Histological and Immunohistochemical Aspects. Brazilian Archives of Biology and Technology, vol.58 no.2. Curitiba, Mar./Apr. 2015 Print version ISSN 1516-8913. Citación: "Primordial germ cells (PGCs) are germline stem cells that give rise to gametes in vertebrates. They originate outside the embryo very early in the development and migrate by a well-defined route into the genital ridges".