Damaged Nucleolinus, Surf Clam Egg (Fertilized Lasered) (IMAGE)

Marine Biological Laboratory

Damaged Nucleolinus, Surf Clam Egg (Fertilized Lasered)

Caption

When the nucleolinus is damaged with an infrared laser, a fertilized Spisula egg cell (bottom right) does not proceed through cell division, and its cell division apparatus (blue and yellow) is malformed. The top left cell shows proper cell division in a fertilized egg with an undamaged nucleolinus.

Credit

Mary Anne Alliegro, Marine Biological Laboratory

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