Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D006829
http://purl.bioontology.org/ontology/MESH/D006829
Preferred Name

Hydra

Definitions
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.
Synonyms
Hydras
Type http://www.w3.org/2002/07/owl#Class
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