Nitrogen

Introduction: Nitrogen

Description of Nitrogen

Nitrogen: use this term only for the element N or the gas N2; for other nitrogen compounds see NITROGEN COMPOUND.
Source: CRISP

Nitrogen: An element with the atomic symbol N, atomic number 7, and atomic weight 14. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.
Source: MeSH 2007

Nitrogen: Related Topics

These medical condition or symptom topics may be relevant to medical information for Nitrogen:

• Term
• Element
• Gas (201 causes)
• Gas disease
• Gas disorder
• Gas pain
• COMPOUND

Terms associated with Nitrogen:

Related Topics

• Nitrogen Isotopes
• Nitrogen Radioisotopes

Source - MeSH 2007

Broader terms for Nitrogen

• Elements
• Gases

Source - MeSH 2007

• element
• nitrogen compound

Source - CRISP

The term Nitrogen can be used for:

• N13 isotope
• N15 isotope

Source: CRISP

The description of Nitrogen may also be used for the following terms:

• N element
• N2 element

Source: CRISP

Hierarchical classifications of Nitrogen

The following list attempts to classify Nitrogen into categories where each line is subset of the next.

MeSH 2007 Hierarchy:

• Inorganic Chemicals
  • Elements
    • Nitrogen

MeSH 2007 Hierarchy

• Inorganic Chemicals
  • Gases
    • Nitrogen

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