Canadian Medical Guide > Organisms > Animals > Invertebrates > Cnidaria > Hydrozoa > Hydra Terms and Definitions
Hydra
Medical Definition: | A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals. |
Previously Indexed: | Coelenterata (1966-1971) |
Hydra Medical Definitions and Terms
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