In case of poriferans the spongocoel is lined with flagellated cells called :

  • Option 1)

    ostia

  • Option 2)

    oscula

  • Option 3)

    choanocytes

  • Option 4)

    mesenchymal cells

 

Answers (1)

 

Choanoderm -

Gastral epithelium layer consists of flagellated cell or choanocytes.

- wherein

These are characteristics cell of phylum porifera responsible for ingestion of food and differentiation of sex cell.

 

Choanocytes (collar cells) form lining of spongocoel in poriferans (sponges). Flagella in collar cells provide circulation to water in water canal system


Option 1)

ostia

This is incorrect option

Option 2)

oscula

This is incorrect option

Option 3)

choanocytes

This is correct option

Option 4)

mesenchymal cells

This is incorrect option

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