| Hydrozoa |
a class of cnidarians that usually possess colonial branching polyps and small medusae (see jellyfish); it includes the poisonous genus Physalia (Portuguese man-of-war).
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| hydrozoan |
an individual of the class Hydrozoa.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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