summary of the major stages in spermiogenesis, from spermatid to spermatozoon. main part are marked with lines. anatomy ans

acrosomal acrosome anatomy apparatus biology birth body cap cell cellular centriole conception diagram dna egg evolution female fertile fertility fertilization flagellum genetic golgi graphic health human illustration insemination isolated learning life male medical medicine membrane microbiology mitochondria mitochondrial mitochondrian neck nucleus postchromosomal pregnancy procreation region reproduction research residual science semen sex sheath sperm spermatozoon stage structure system tail vector zygote