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The apical surface of epithelial cells is thrown into laterally long actin rich protrusions, termed microridges. The image depicts microridges on the epidermal cells in a 3-day old zebrafish embryo which function as actin reservoirs to help in mucous retention and abrasion resistance.

The image was submitted to FocalPlane by Shivali Dongre who’s done her Bachelor’s and Master’s in India.  She did her Master’s by research at the Tata Institute of Fundamental Research at Prof. Mahendra Sonawane‘s lab, where she worked on the interplay between polarity and adhesion in the zebrafish epidermis. Since January 2021, she has joined the Vastenhouw Group at the Centre for Integrated Genomics, University of Lausanne for her PhD. 

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Updated on 5 January 2021