Structure and ultrastructure of the spermatozoa of Halictidae (Hymenoptera, Apoidea).

  title={Structure and ultrastructure of the spermatozoa of Halictidae (Hymenoptera, Apoidea).},
  author={B S Fiorillo and Andre Coelho and Jos{\'e} Lino-Neto and S{\^o}nia Nair B{\'a}o},
  journal={Journal of submicroscopic cytology and pathology},
  volume={37 1},
The spermatozoa in Halictidae are sometimes observed in spermatodesmata in the seminal vesicle. They are linear, long, slender and their lengths vary from 213 microm to about 330 pm. The head region consists in the anterior acrosomal complex, formed by a conical acrosomal vesicle that shows an inner paracrystalline perforatorium extending into the nucleus. The nucleus, measuring about 16 microm to 46 microm, is linear and strongly electron-dense, however some electron-lucent lacunae with… CONTINUE READING
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