| Type | MGI:General | Description | step 14-15 spermatids exhibit excess cytoplasm around normal-shaped nuclei early elongating spermatids that are typical of stage IX are instead observed at XII elongating spermatids that should have been fully developed at stage I appear underdeveloped elongated spermatids do not line the lumen at stage VII; stages VII and VIII are difficult to ascertain through standard staging criteria elongated spermatids fail to proceed normally along the spermiation pathway, resulting in a higher distribution of stages I-VI however, tubules progress to stage IX as irregularly shaped round spermatids can be found |
