Anatomy structure scheme of hydra
The body of the hydra consists of several layers of tissue. The epidermis forms the outer layer of tissues. In some hydras, the epidermis secretes a substance called the perimderm, which protects the epidermis. The innermost layer of the hydra is the gastrodermis, which forms the lining of the digestive tract. Sandwiched between the epidermis and gastrodermis is a layer of gooey connective tissue called the mesoglea.
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anatomyanimalbiologycavitycelleducationepidermisfaunafoodfreshgenushydraillustrationisolatedlaboratorylifemicrobiologymicroorganismmouthnaturenucleusorganismovaryplanktonprotozoaschoolsciencesexualspermtentaclesvacuolewaterwhite
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