The mesoglea of Hydra is a non-cellular, gelatinous matrix that lies between the ectoderm and endoderm layers of the body. It is essentially a connective tissue that provides structural support and serves as a pathway for cell migration. While the cells of the ectoderm and endoderm extend into the mesoglea, the mesoglea itself is devoid of cells within its matrix.
The mesoglea of Hydra contains?
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