How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

As our animal model only expresses red fluorescence in the midpiece, accurate beating frequency measurement cannot be performed. However, we can clearly observe that beating is not continuous and ...

Slow motion filming of the movement of active spermatozoa under a microscope. Sperm bank. reproductive function of man. The survival of all mankind. Study of a genetic sample. Reproductive function of ...

Data on the first representative, from the family Glauconomidae, are complete. Spermatozoa of Glauconome plankta consist of a head (acrosomal complex + nucleus), short midpiece and a flagellum. The ...

The ART Core staff can oversee the treatment of investigator animals to ensure injection schedules are maintained and animals are properly managed as well as monitor ovarian activity with routine ...

The results showed significant differences (P<0.05) in total and progressive motility, morphological defects of the neck and midpiece, and tail of sperm, and acrosome integrity between the age groups ...

1 Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czechia 2 Department of Animal Science and Food Processing, ...

ABSTRACT. The aim of this study was to investigate the tolerance of Hypsolebias radiseriatus larvae to different salinities, and the effects of different prey concentrations and water salinities on ...

In most murine species, spermatozoa exhibit a falciform apical hook at the head end. The function of the sperm hook is not yet clearly understood. In this study, we investigate the role of the sperm ...