The nuclear portion of the spermatid, which is partly imbedded in the supporting cell, is differentiated to form the head of the spermatozoön, while part of the cell protoplasm forms the middle piece and the tail is produced by an outgrowth from the double centriole of the cell.    From Wordnik.com.  [XI. Splanchnology. 3c. The Male Genital Organs] Reference

Each spermatid (22 + X or 22 + Y) gradually change its shape to become spermatozoon.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

• Spermiogenesis is the process of transformation of a rounded spermatid into a spermatozoon.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Spermiogenesis • Or spermateleosis • The process by which a spermatid becomes a spermatozoon.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Giorgini F, Davies HG, Braun RE (2002) Translational repression by MSY4 inhibits spermatid differentiation in mice.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Disruption of these F-actin based processes was associated with spermatid bundle disassembly and premature sperm release inside the testis.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

The RNAi phenotype of melav2 was characterized by an aberrant spermatid morphology, where sperm elongation often failed, and an empty seminal vesicle.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

And please take note the Alien looks exactly like the humans that walk on earth, because of the spermatid in the world, that was used to create other ancient worlds.    From Wordnik.com.  [www.hardwarezone.com.sg] Reference

Altogether, our data suggests that the head cyst cell adheres to the maturing spermatid heads through F-actin-based extensions, thus maintaining them in a tight bundle.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

• The spermatid is amore or less circular cell containing a nucleus, Golgi apparatus, centeriole and mitochondria. all these components take part in forming the spermatozoon: 1.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

In addition, immunostaining using an early-spermatid specific antibody revealed that melav2 RNAi treated worms had a larger amount of signal positive cells, suggesting that many cells failed the transition from early spermatid stage.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

We discussed spermatogenesis -- how we got from a diploid spermatogonial stem cell to a haploid spermatid -- and then spermiogenesis -- the process by which the spermatids acquire the features of spermatozoa: tails, acrosomes and the like.    From Wordnik.com.  [ScienceBlogs Channel : Life Science]