spermiogenesis Biol.
(spɜːmɪəʊˈdʒɛnɪsɪs)
[f. spermi- + -o + -genesis.]
The development of spermatozoa; spec. the maturation of spermatids into spermatozoa (the last phase of spermatogenesis).
1920 Biol. Bull. XXXIX. 333 The general topography of spermiogenesis has been worked out on Murgantia. 1956 Nature 25 Feb. 387/2 A study of spermiogenesis in the bandicoot..has shown that an acrosome is indeed present. 1980 D. J. Begley et al. Human Reproduction iii. 30/2 Following spermatogenesis and spermiogenesis, which take about 64 days in man, sperm pass through the rete into the epididymis. |