however , protracted spermatogenesis commencing in spring that is not accompanied by the availability of spermatozoa until autumn , and a subsequent apparent extension of fertility ( epididymal sperm storage , accessory gland hypertrophy ) beyond the testicular gametogenic phase , are aspects of the male reproductive cycle in m. planiceps that have not heretofore been described in another molossid bat .
C0037864
spermatogenesis
C0037868
spermatozoa