Lanthanum

"Lanthanum" 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.

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The prototypical element in the rare earth family of metals. It has the atomic symbol La, atomic number 57, and atomic weight 138.91. Lanthanide ion is used in experimental biology as a calcium antagonist; lanthanum oxide improves the optical properties of glass.


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This graph shows the total number of publications written about "Lanthanum" by people in this website by year, and whether "Lanthanum" was a major or minor topic of these publications.
Bar chart showing 5 publications over 5 distinct years, with a maximum of 1 publications in 1999 and 2005 and 2007 and 2009 and 2020
To see the data from this visualization as text, click here.