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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: Xenotransplantation of canine spermatogonial stem cells (cSSCs) regulated by FSH promotes spermatogenesis in infertile mice

Fig. 1

a Typical morphology of spermatogonia: rounded or oval cells and spiral nucleus related to the cytoplasm (circle). b, c Microscopic appearance of the formation of germ cell clumps (arrow) in small groups of cells (dotted circle) and continuous proliferation of clump-forming cells (asterisk) (2 days and 15 days after in vitro culture of cSSCs). d, e Formation of clumps by cells in suspension (arrow) among Sertoli cells (asterisk). (Scale bar = 100 μm)

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Stem Cell Research & Therapy

ISSN: 1757-6512