SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mesoglea
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tentacles
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nematocysts
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polyps
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Detailed explanation-1: -In between epidermis and gastrodermis is the mesoglea, a layer of jellylike substance which contains scattered cells and collagen fibers. The mouth is often, but not always, surrounded by a ring of tentacles.
Detailed explanation-2: -Phylum Cnidaria The internal epithelium or gastrodermis is separated from the outer epidermis by a middle layer, the mesoglea. The mesoglea is a gelatinous, noncellular connective tissue layer.
Detailed explanation-3: -They possess the mesoglea, an amorphous and practically acellular extracellular matrix (ECM) located between the epidermis and the gastrodermis of the body and tentacles and consists of the same molecules present in the ECM of vertebrates, such as collagen, laminin, fibronectin and proteoglycans.