CHAMPAIGN, Ill. — Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: fertilization. In a paper released this week in the Proceedings of the National Academy of Sciences, researchers at the University of Illinois report that they have discovered a gene – and related mechanism – essential to the embryonic development of the epididymis.
