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Hydrozoa

"Hydrozoa" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
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.


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This graph shows the total number of publications written about "Hydrozoa" by people in this website by year, and whether "Hydrozoa" was a major or minor topic of these publications.
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