Tuesday, August 5, 2014

Meiosis – egg cells under the microscope

These are some egg cells of sea urchins from a fixed microscopic preparation. They show different stages of cell division after the reproduction. Before the development of the larvae the embryo undergo up to 10 stages of division in hollow ball cell. I found only 4 in the sample. The eggs are fertilized outside the body and floated in masses into the water.

sea urchin egg cell under microscope
The egg cell.

sea urchin egg cell under microscope
After division.

sea ruchin egg cell under microscope

sea urchin egg cell under microscope


  1. This comment has been removed by the author.

    1. Wunderbar fotografiert! Das ist etwas ganz Besonderes!

      Lieben Gruß


  2. Wow, I haven't seen anything like this since my college years. What a wonderful series of pictures to share. I look forward to seeing more of your posts ...

    Andrea @ From The Sol

  3. Amazing microscopic images of the sea urchin. Discovering this other world through your photography will be very interesting.
    Regards from Portugal.

  4. Great shots - hard to believe that we all looking like that one day!

    Cheers - Stewart M - Melbourne


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