UMLS Hierarchy Tracer (Ancestors & Descendants)

Enter a Concept ID (CUI) to view its parent and child hierarchies. Select a preferred language for display names; **English will be used as a fallback**.

Displaying names in **English (ENG)** (with English fallback).

Target Concept: Nitrogen Radioisotopes (C0028170)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  6. Inorganic Chemicals CUI: C0021521 / Source: MSH
  7. Isotopes CUI: C0022262 / Source: MSH
  8. Nitrogen Isotopes CUI: C0028162 / Source: MSH
  9. Nitrogen Radioisotopes (START) CUI: C0028170 / Source: MSH

Ancestor Path 2 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  6. Inorganic Chemicals CUI: C0021521 / Source: MSH
  7. Elements CUI: C0013879 / Source: MSH
  8. Nitrogen CUI: C0028158 / Source: MSH
  9. Nitrogen Isotopes CUI: C0028162 / Source: MSH
  10. Nitrogen Radioisotopes (START) CUI: C0028170 / Source: MSH

Ancestor Path 3 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  6. Inorganic Chemicals CUI: C0021521 / Source: MSH
  7. Gases CUI: C0017110 / Source: MSH
  8. Nitrogen CUI: C0028158 / Source: MSH
  9. Nitrogen Isotopes CUI: C0028162 / Source: MSH
  10. Nitrogen Radioisotopes (START) CUI: C0028170 / Source: MSH

Ancestor Path 4 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  6. Inorganic Chemicals CUI: C0021521 / Source: MSH
  7. Isotopes CUI: C0022262 / Source: MSH
  8. Radioisotopes CUI: C0034595 / Source: MSH
  9. Nitrogen Radioisotopes (START) CUI: C0028170 / Source: MSH

Descendant Paths (Children/Leaves)

This concept appears to be a Leaf node in the available hierarchies (showing only the starting concept).

Descendant Path 1 (Top Source: MSH)

  1. Nitrogen Radioisotopes (START) CUI: C0028170 / Source: MSH

Unique Ancestor Paths Found: 4 | Unique Descendant Paths Found: 1 | Max Depth: 10 levels.