rheumatoid factor

autoantibody directed against the Fc fragment of immunoglobulin G
Thing group_or_class_of_proteins Q702883
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rheumatoid factor

Summary

rheumatoid factor is a group or class of proteins[1]. It draws 61 Wikipedia views per month (group_or_class_of_proteins category, ranking #66 of 335).[2]

Key Facts

  • rheumatoid factor's instance of is recorded as group or class of proteins[3].
  • rheumatoid factor's CAS Registry Number is recorded as 9009-79-4[4].
  • rheumatoid factor's subclass of is recorded as autoantibody[5].
  • rheumatoid factor's MeSH descriptor ID is recorded as D012217[6].
  • rheumatoid factor's MedlinePlus ID is recorded as 003548[7].
  • rheumatoid factor's Freebase ID is recorded as /m/03trk5[8].
  • rheumatoid factor's MeSH tree code is recorded as D12.776.124.486.485.114.323.732[9].
  • rheumatoid factor's MeSH tree code is recorded as D12.776.124.790.651.114.323.732[10].
  • rheumatoid factor's MeSH tree code is recorded as D12.776.377.715.548.114.323.732[11].
  • rheumatoid factor's Gran Enciclopèdia Catalana ID is recorded as 0182877[12].
  • rheumatoid factor's Encyclopædia Britannica Online ID is recorded as science/rheumatoid-factor[13].
  • rheumatoid factor's NCI Thesaurus ID is recorded as C805[14].
  • rheumatoid factor's subject has role is recorded as immunologic factor[15].
  • rheumatoid factor's UMLS CUI is recorded as C0035448[16].
  • rheumatoid factor's WordLift URL is recorded as http://data.medicalrecords.com/medicalrecords/healthwise/rheumatoid_factor_rf[17].
  • rheumatoid factor's Microsoft Academic ID is recorded as 2776232647[18].
  • rheumatoid factor's WordNet 3.1 Synset ID is recorded as 14210711-n[19].
  • rheumatoid factor's OpenAlex ID is recorded as C2776232647[20].
  • rheumatoid factor's Gran Enciclopèdia Catalana ID is recorded as factor-reumatoide[21].

Why It Matters

rheumatoid factor draws 61 Wikipedia views per month (group_or_class_of_proteins category, ranking #66 of 335).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[22] It is known by 11 alternative names across languages and contexts.[23]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Medical Subject Headings. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . medicalrecords.com. medicalrecords.com. Provenance: wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  19. [21] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [22] . Wikidata sitelinks. wikidata.org.
  3. [23] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). rheumatoid factor. Retrieved May 3, 2026, from https://4ort.xyz/entity/rheumatoid-factor
MLA “rheumatoid factor.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rheumatoid-factor.
BibTeX @misc{4ortxyz_rheumatoid-factor_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{rheumatoid factor}}, year = {2026}, url = {https://4ort.xyz/entity/rheumatoid-factor}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): rheumatoid factor — https://4ort.xyz/entity/rheumatoid-factor (retrieved 2026-05-03)

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