MeSH Browser

MeSH Heading: Nitrogen Fixation
Tree Number(s): G02.111.071.630; G02.111.587.750; G02.607.560.750; G03.087.630; G06.625; G16.500.768.600
Unique ID: D009586
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D009586
Scope Note: The process in certain BACTERIA; FUNGI; and CYANOBACTERIA converting free atmospheric NITROGEN to biologically usable forms of nitrogen, such as AMMONIA; NITRATES; and amino compounds.
Entry Term(s): Diazotrophic Activity; Diazotrophy; Dinitrogen Fixation; N2 Fixation
See Also: Plant Root Nodulation
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/06/30

Allowable Qualifiers: drug effects (DE)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Concept UI: M0014899
Scope Note: The process in certain BACTERIA; FUNGI; and CYANOBACTERIA converting free atmospheric NITROGEN to biologically usable forms of nitrogen, such as AMMONIA; NITRATES; and amino compounds.
Terms: Nitrogen Fixation Preferred Term
Term UI T028545
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1966); Diazotrophic Activity
Term UI T645481
Date07/11/2005
LexicalTag NON
ThesaurusID NLM (2007); Dinitrogen Fixation
Term UI T645482
Date07/11/2005
LexicalTag NON
ThesaurusID NLM (2007); N2 Fixation
Term UI T645483
Date07/11/2005
LexicalTag NON
ThesaurusID NLM (2007)

Nitrogen Fixation MeSH Descriptor Data 2025