on the basis of microscopical examination and further differentiation by special stain techniques , a new classification of defects of midpieces and tails of spermatozoa will be presented : first degree disorders i.e . abnormalities of the staining behaviour and minor structural defects , second degree disorders revealing breakes and coiling of spermatozoa tail , and finally severe third degree disorders only exhibiting a rudimentary anlage of the terminal segment of spermatozoa .
C0037851
of spermatozoa tail
C0037868
spermatozoa