. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 77. Figure 2. Microscopic figures of testis in the soft-shelled turtle, Pelodiscus sinensis. A. The seminiferous tubules contracted and contained Sertoli cells (St) and spermatogonia (Sg) in April 200. B.The germinal epithelium con- tained dividing spermatogonia, spermatocytes and spermatids in May 200. C. Spermatozoa (S) were released from germinal epithelium in June 132. D. The thickness of spermatogenetic epithelium increased but spermatozoa decrea

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. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 77. Figure 2. Microscopic figures of testis in the soft-shelled turtle, Pelodiscus sinensis. A. The seminiferous tubules contracted and contained Sertoli cells (St) and spermatogonia (Sg) in April 200. B.The germinal epithelium con- tained dividing spermatogonia, spermatocytes and spermatids in May 200. C. Spermatozoa (S) were released from germinal epithelium in June 132. D. The thickness of spermatogenetic epithelium increased but spermatozoa decrea Stock Photo
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. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 77. Figure 2. Microscopic figures of testis in the soft-shelled turtle, Pelodiscus sinensis. A. The seminiferous tubules contracted and contained Sertoli cells (St) and spermatogonia (Sg) in April 200. B.The germinal epithelium con- tained dividing spermatogonia, spermatocytes and spermatids in May 200. C. Spermatozoa (S) were released from germinal epithelium in June 132. D. The thickness of spermatogenetic epithelium increased but spermatozoa decrea
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. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 77. Figure 2. Microscopic figures of testis in the soft-shelled turtle, Pelodiscus sinensis. A. The seminiferous tubules contracted and contained Sertoli cells (St) and spermatogonia (Sg) in April 200. B.The germinal epithelium con- tained dividing spermatogonia, spermatocytes and spermatids in May 200. C. Spermatozoa (S) were released from germinal epithelium in June 132. D. The thickness of spermatogenetic epithelium increased but spermatozoa decreased in July 132. E: Spermatozoa occluded the lumen of the seminiferous tubules in August132. F: The ger- minal epithelium atrophied in February 200. Spermatocytogenesis started from late April to early May, and the spermatocyte layers increased progres- sively in germinal epithelium. The testicular weights began to increase in May. By the end of the month, the germinal epithelium contained dividing sper- matogonia, spermatocytes and a few spermatides (Fig. 2B). In June, spermatozoa were released from germi- nal epithelium (Fig. 2C) without accompanying apparent increase in epididymal weights. The active spermatogonia division progressed until July. The thickness of spermatogenetic epithelium increased and the diameter of seminiferous tubules reached. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Asiatic Herpetological Research Society; Chung-kuo liang chi pa hsing tung wu hs©eh hui. Berkeley, Calif. : Asiatic Herpetological Research Society : Chinese Society for the Study of Amphibians and Reptiles

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