| Type | MGI:General | Description | stage X seminiferous tubules have elongated spermatids with abnormal orientation, shape and chromatin condensation at day 30 delay in the maturation of elongated spermatids with a mixture of spermatids (step 9, 10, and 11) at day 30 a mixture of elongated spermatids (steps 9-11) as well as misaligned elongated spermatids near the basement membrane clumping of spermatid heads in addition to fusion of large aggregates of residual bodies and cytoplasmic lobes that contained clumped spermatids in late stage VIII clumping of step 16 spermatids in membranous wheels and near the basement membrane in stage X step 16 spermatids with their heads and tails fused cytoplasm of step 16 spermatids fails to form cytoplasmic lobes and residual bodies |