Intranuclear and Cytoplasmic Annulate Lamellae in Tunicate Oocytes

  title={Intranuclear and Cytoplasmic Annulate Lamellae in Tunicate Oocytes},
  author={Richard G. Kessel},
  journal={The Journal of Cell Biology},
  pages={471 - 487}
Electron microscope studies were made on various tunicate oocytes at different stages of growth and development. Both the inner and outer lamellae of the perforated nuclear envelope demonstrate considerable blebbing activity. The blebs of the inner lamella detach into the nucleoplasm where they undergo a special type of fusion process resulting in the formation of numerous, usually single, differentiated annulate lamellae of various lengths. The blebbing of the outer layer of the nuclear… CONTINUE READING


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