Cilia beat to an unexpected rhythm in male reproductive tract, study in mice reveals
(PHYSorg.com Biology)

Waves of undulating cilia drive several processes essential to life. They clear debris and mucus from the respiratory tract, move spinal fluid through the brain and transport embryos from the ovaries to the uterus for implantation. According to a new study in mice, however, cilia perform somewhat differently in the male reproductive tract.