about biosynthesis of sperm?

Question

I try to find a picture about the biosynthesis of sperm, can anybody tell me the url

Answer 1

First one is more about the DNA partioning and the second about the cell formation

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Search&db=books&doptcmdl=GenBookHL&term=sperm+AND+mboc4%5Bbook%5D+AND+374469%5Buid%5D&rid=mboc4.figgrp.3734

and

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Search&db=books&doptcmdl=GenBookHL&term=sperm+AND+mboc4%5Bbook%5D+AND+374471%5Buid%5D&rid=mboc4.figgrp.3736

Also for a highly simplified drawing of a cross section of a seminiferous tubule in a mammalian testis

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Search&db=books&doptcmdl=GenBookHL&term=sperm+AND+mboc4%5Bbook%5D+AND+374470%5Buid%5D&rid=mboc4.figgrp.3735