Multiple choice

Which of the following maintains the size and structure of sponge?

  1. Choanocytes

  2. Pinacocytes

  3. Porocytes

  4. Myocytes

  5. Mesohyl
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pinacocytes are flattened cells containing many granules; capable of contracting. They are involved in the maintenance of the size and structure of sponge. They can expand and contract to slightly alter the size of the sponge and can also produce collagen.

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