DUMET Medical DUMET Medical Solved Paper-2001

  • question_answer
    Which of the following cell type is capable of giving rise to other cell types in sponges ?

    A)  Thesocytes     

    B)  Pinacocytes

    C)  Collencytes    

    D)  Archaeocytes

    Correct Answer: D

    Solution :

    Archaeocytes termed totipotent cells as they give rise to any other kinds of cells within an animal. These are undifferentiated embryonic amoebocytes, having blunt pseudopodia and large nucleus with conspicuous nucleplus. Pinacocytes are flat cells with central bulge and narrow edges. They are modified to form contractile myocytes around oscula and occasionally ostia.Collencytes secrete spongin fibres of the mesophyll layer. Thesocytes store food granules.


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