Novel Embryogenesis in a Nudibranch Gastropod: Segregation, Expulsion, and Abandonment of Deeply Pigmented Egg Cytoplasm

@article{Page2007NovelEI,
  title={Novel Embryogenesis in a Nudibranch Gastropod: Segregation, Expulsion, and Abandonment of Deeply Pigmented Egg Cytoplasm},
  author={L. Page},
  journal={The Biological Bulletin},
  year={2007},
  volume={213},
  pages={303 - 306}
}
  • L. Page
  • Published 2007
  • Biology, Medicine
  • The Biological Bulletin
  • Cases where early development has changed substantially and rapidly, without altering later morphogenesis, can be informative about developmental organization and adaptation. I describe a surprising novelty of early embryogenesis in the arminacean nudibranch Madrella sanguinea from the southeastern coast of Australia. Fertilized eggs of this species segregated a large mass of red-pigmented cytoplasm to the vegetal pole, where much of it was extruded as a type of polar lobe during the first two… CONTINUE READING
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