Effects of spaceflight on the spermatogonial population of rat seminiferous epithelium
Sapp, W. J., et al. (1990). "Effects of spaceflight on the spermatogonial population of rat seminiferous epithelium." Faseb Journal 4 1: 101-4
Testes from rats flown on Cosmos 1887 were compared with vivarium control and synchronous control samples. The mean weights of flight testes, normalized for weight per 100 g, were 6.4% less when compared with the vivarium controls. Counts of spermatogonia from tissue sections (seminiferous tubules in maturation stage 6) from five animals in each group revealed 4% fewer spermatogonia in flight testes compared with synchronous controls and 11% fewer spermatogonia in flight samples compared with vivarium controls.
Accession Number: 2295370