Canadian Medical Guide > Organisms > Animals > Invertebrates > Cnidaria > Hydrozoa Terms and Definitions




Hydrozoa

Medical Definition: A class in the phylum CNIDARIA which alternates between polyp and medusa forms during their life cycle. There are over 2700 species in five orders.
Guide Notes: do not confuse X ref LIRIOPE TETRAPHYLLA with LIRIOPE PLANT
Also Called: Liriope tetraphylla,Physalia,Portuguese Man-of-War
Previously Indexed: Cnidaria (1986-2002)
Hydrozoa Categories.
Canadian Medical Guide Definition Hydra - 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.

Hydrozoa Medical Definitions and Terms

CANADIAN MEDICAL GUIDE

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