MeSH Browser

MeSH Heading: Nitrogen Isotopes
Tree Number(s): D01.268.604.500; D01.362.625.500; D01.496.586
Unique ID: D009587
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D009587
Scope Note: Stable nitrogen atoms that have the same atomic number as the element nitrogen but differ in atomic weight. N-15 is a stable nitrogen isotope.
Entry Term(s): Nitrogen Isotope
Previous Indexing: Nitrogen (1966-1970)
Public MeSH Note: 73
History Note: 73(71)
Date Established: 1973/01/01
Date of Entry: 1999/01/01
Revision Date: 2021/06/30

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analysis (AN)

antagonists & inhibitors (AI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Nitrogen Isotopes MeSH Descriptor Data 2025