Characteristics of seasonal spermatogenesis in the soft-shelled turtle

H Chen, Y Huang, T Liu, A Haseeb, N Ahmed… - Animal reproduction …, 2020 - Elsevier
Spermatogenesis in reptiles is a seasonally dependent physiological process that is not
temporally associated with male mating behavior. Characteristics of seasonal …

Seasonal effects on apoptosis and proliferation of germ cells in the testes of the Chinese soft-shelled turtle, Pelodiscus sinensis

L Zhang, XK Han, YY Qi, Y Liu, QS Chen - Theriogenology, 2008 - Elsevier
To elucidate the processes involved in the spatial and temporal maturation of spermatogenic
cells in the testes of the soft-shelled turtle, Pelodiscus sinensis, we used a histological …

Seasonal changes of sperm storage and correlative structures in male and female soft-shelled turtles, Trionyx sinensis

H Xiangkun, Z Li, L Meiying, B Huijun, H Nainan… - Animal reproduction …, 2008 - Elsevier
Reproductive ducts of male and female soft-shelled turtles, Trionyx sinensis were examined
throughout the year (March, May, September, December) using brightfield and electron …

The ultrastructural characteristics of the spermatozoa stored in the cauda epididymidis in Chinese soft-shelled turtle Pelodiscus sinensis during the breeding season

X Bian, JA Gandahi, Y Liu, P Yang, Y Liu, L Zhang… - Micron, 2013 - Elsevier
The ultrastructure of spermatozoa in cauda epididymidis of soft-shelled turtle, P. sinensis
during breeding season was investigated by light microscopy (LM) and electron microscopy …

Spermiogenesis in Soft‐Shelled Turtle, Pelodiscus sinensis

L Zhang, XK Han, MY Li, HJ Bao… - The Anatomical Record …, 2007 - Wiley Online Library
Spermiogenesis in the soft‐shelled turtle, Pelodiscus sinensis, was examined by
transmission electron microscopy. The process includes nuclear elongation, chromatin …

Sperm storage and spermatozoa interaction with epithelial cells in oviduct of Chinese soft‐shelled turtle, Pelodiscus sinensis

S Chen, L Zhang, Y Le, Y Waqas, W Chen… - Ecology and …, 2015 - Wiley Online Library
Spermatozoa are known to be stored within the female genital tract after mating in various
species to optimize timing of reproductive events such as copulation, fertilization, and …

Modification of sperm morphology during long-term sperm storage in the reproductive tract of the Chinese soft-shelled turtle, Pelodiscus sinensis

L Zhang, P Yang, X Bian, Q Zhang, S Ullah, Y Waqas… - Scientific reports, 2015 - nature.com
Sperm storage in vivo extends the time window for fertilisation in several animal species,
from a few days to several years. The underlying storage mechanisms, however, are largely …

Testicular histology and germ cell cytology during spermatogenesis in the Mississippi map turtle, Graptemys pseudogeographica kohnii, from Northeast Arkansas

K Lancaster, SE Trauth, KM Gribbins - Spermatogenesis, 2014 - Taylor & Francis
The testicular histology and cytology of spermatogenesis in Graptemys pseudogeographica
kohnii were examined using specimens collected between July 1996 and May 2004 from …

Androgen-related sperm storage in oviduct of Chinese Soft-Shelled Turtle in vivo during annual cycle

T Liu, X Chu, Y Huang, P Yang, Q Li, L Hu, H Chen… - Scientific Reports, 2016 - nature.com
Long-term sperm storage in the female genital tract is essential for the appropriate timing of
reproductive events in animals with asynchronous copulation and ovulation. However, the …

Cytological evaluation of spermatogenesis and organization of the germinal epithelium in the male slider turtle, trachemys scripta

KM Gribbins, DH Gist, JD Congdon - Journal of Morphology, 2003 - Wiley Online Library
The germ cell development in the slider turtle (Trachemys scripta) testis was investigated by
viewing the histology of the seminiferous epithelium in plastic sections with a light …