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Diatoms MeSH Descriptor Data 2025


MeSH Heading
Diatoms
Tree Number(s)
B01.750.200
Unique ID
D017377
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D017377
Scope Note
The common name for the phylum of microscopic unicellular STRAMENOPILES. Most are aquatic, being found in fresh, brackish, and salt water. Diatoms are noted for the symmetry and sculpturing of their siliceous cell walls. They account for 40% of PHYTOPLANKTON, but not all diatoms are planktonic.
Entry Term(s)
Bacillariophyta
NLM Classification #
QW 260
Previous Indexing
Algae (1966-1992)
See Also
Phytoplankton
Public MeSH Note
93
History Note
93
Date Established
1993/01/01
Date of Entry
1992/05/14
Revision Date
2020/08/13
Diatoms Preferred
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