"Anseriformes" 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.
An order of BIRDS comprising the waterfowl, particularly DUCKS; GEESE; swans; and screamers.
Below are MeSH descriptors whose meaning is more general than "Anseriformes".
Below are MeSH descriptors whose meaning is more specific than "Anseriformes".
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