"Polychaeta" 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.
A class of marine annelids including sandworms, tube worms, clamworms, and fire worms. It includes also the genus Myxicola infundibulum.
Below are MeSH descriptors whose meaning is more general than "Polychaeta".
Below are MeSH descriptors whose meaning is more specific than "Polychaeta".
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