spermatogenesis
sper.ma.to.gen.e.sis \.sp*r-m*t-*-'jen-*-s*s, (.)sp*r-.mat-\ \(.)sp*r-.mat-*-j*-'net-ik, .sp*r-m*t-o--\ n [NL] : the process of male gamete formation including meiosis and transformatio n of the four resulting spermatids into spermatozoa - sper.ma.to.ge.net.ic aj