"Cetacea" 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 wholly aquatic MAMMALS occurring in all the OCEANS and adjoining seas of the world, as well as in certain river systems. They feed generally on FISHES, cephalopods, and crustaceans. Most are gregarious and most have a relatively long period of parental care and maturation. Included are DOLPHINS; PORPOISES; and WHALES. (From Walker's Mammals of the World, 5th ed, pp969-70)
Below are MeSH descriptors whose meaning is more general than "Cetacea".
Below are MeSH descriptors whose meaning is more specific than "Cetacea".
This graph shows the total number of publications written about "Cetacea" by people in this website by year, and whether "Cetacea" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.