| Type | MGI:General | Description | acrosomeless spermatids show an acroplaxome plaque associated with a flat and narrow sac ("pseudoacrosome") acroplaxome-pseudoacrosome complex is attached to the spermatid nuclear envelope but the acrosome plate, inserted intermediate filaments, and shallow depression in the nuclear envelope are missing, and the nuclear lamina is thinner in some spermatids, pseudoacrosome length exceeds the length of the acroplaxome and diverges from it, forming a space where the microtubule-nucleating element of the manchette is housed in other spermatids, pseudoacrosome length is shorter than acroplaxome length, unlike in wild-type spermatids where length of acrosome and underlying acroplaxome is about equal |
