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Table 3 Comparison of type assignments in SN and type assignments of PSTs in the CSSN

From: A chemical specialty semantic network for the Unified Medical Language System

Type name (ST in SN or PST in CSSN) # of concepts assigned in SN # of concepts assigned in CSSN
Chemical 26 26
Chemical Viewed Structurally 385 248
Organic Chemical 154,400 58,347
Steroid 10,205 4,883
Eicosanoid 1,200 537
Nucleic Acid, Nucleoside, or Nucleotide 9,172 4,727
Organophosphorus Compound 2,401 919
Amino Acid, Peptide, or Protein 116,022 16,973
Carbohydrate 10,475 6,077
Lipid 6,367 3,494
Chemical Viewed Functionally 180 174
Pharmacologic Substance 122,187 14,168
Biomedical or Dental Material 4,943 3,408
Biologically Active Substance 55,049 1,026
Neuroreactive Substance or Biogenic Amine 705 20
Hormone 2,973 147
Enzyme 25,526 233
Vitamin 2,357 117
Immunologic Factor 24,305 7,181
Indicator, Reagent, or Diagnostic Aid 12,803 4,350
Hazardous or Poisonous Substance 5,750 422
Receptor 4,417 125
Antibiotic 4,554 546
Element, Ion, or Isotope 1,800 1,004
Inorganic Chemical 5,762 2,490