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: Regulatory T-Lymphocytes (C0039198)

Path Limit Reached (500 paths):

Hierarchy traversal was stopped for the capped direction(s). **All first-level children/parents are now guaranteed to be included,** but paths beyond Level 1 may be incomplete. (Ancestor Raw Count: **513** | Descendant Raw Count: **0**)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: MSH)

  1. T-Lymphocyte Subsets CUI: C0080202 / Source: MSH
  2. Regulatory T-Lymphocytes (START) CUI: C0039198 / Source: MSH

Ancestor Path 2 (Root Source: MSH)

  1. CD4-Positive T-Lymphocytes CUI: C0039215 / Source: MSH
  2. Regulatory T-Lymphocytes (START) CUI: C0039198 / 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. Regulatory T-Lymphocytes (START) CUI: C0039198 / Source: MSH

Unique Ancestor Paths Found: 2 | Unique Descendant Paths Found: 1 | Max Depth: 10 levels.