pterygium

triangular tissue growth on the cornea of the eye
MedicalCondition head_and_neck_disease Q1862972
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pterygium

Summary

pterygium is a head and neck disease[1]. pterygium has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • pterygium's instance of is recorded as head and neck disease[3].
  • pterygium's instance of is recorded as class of disease[4].
  • pterygium is a type of pinguecula[5].
  • pterygium is a type of corneal disease[6].
  • pterygium is a type of conjunctival disease[7].
  • pterygium is a type of benign conjunctival neoplasm[8].
  • pterygium is a type of benign neoplasm of cornea[9].
  • pterygium is a type of disease[10].
  • pterygium's Commons category is recorded as Pterygium (conjunctiva)[11].
  • pterygium's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[12].
  • pterygium's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[13].
  • pterygium's ICD-9-CM is recorded as 372.40[14].
  • pterygium's ICD-9-CM is recorded as 372.4[15].
  • pterygium's NCI Thesaurus ID is recorded as C133744[16].
  • pterygium's different from is recorded as pterygium[17].
  • pterygium's health specialty is recorded as ophthalmology[18].
  • pterygium's exact match is recorded as http://purl.obolibrary.org/obo/DOID_0002116[19].
  • pterygium's exact match is recorded as http://identifiers.org/doid/DOID:0002116[20].
  • pterygium's exact match is recorded as http://purl.obolibrary.org/obo/HP_0001059[21].
  • pterygium's on focus list of Wikimedia project is recorded as WikiProject Medicine[22].

Why It Matters

pterygium has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[2] pterygium is known by 12 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] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Disease Ontology. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  7. [9] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  13. [15] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  14. [16] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . Disease Ontology. Retrieved . wikidata.org.
  18. [20] . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  19. [21] . Human Phenotype Ontology release 2018-03-08. Retrieved . wikidata.org.
  20. [22] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [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). pterygium. Retrieved May 3, 2026, from https://4ort.xyz/entity/pterygium
MLA “pterygium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pterygium.
BibTeX @misc{4ortxyz_pterygium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pterygium}}, year = {2026}, url = {https://4ort.xyz/entity/pterygium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pterygium — https://4ort.xyz/entity/pterygium (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/pterygium · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of pinguecula, corneal disease, conjunctival disease +3
    Instance of head and neck disease, class of disease
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39742|batch #39742]]: subclass of disease, not instance"
  2. 9d ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of pinguecula, corneal disease, conjunctival disease +3
    Health specialty ophthalmology
    Subclass of
    Different from pterygium
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39732|batch #39732]]: rm redundant subclass"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.