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pterygium

triangular tissue growth on the cornea of the eye
Class type of: pinguecula, corneal disease, conjunctival disease Q1862972

Facts

8 properties
Instance of
class of disease
Subclass of
pinguecula, corneal disease, conjunctival disease, benign conjunctival neoplasm, benign neoplasm of cornea, head and neck disease[2][3][4][5][6][7]
Described by source
Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary[8]
Different from
pterygium[12]
Health specialty
ophthalmology[13]
ICD-9-CM
372.40, 372.4[9][10]
NCI Thesaurus ID
C133744[11]
On focus list of Wikimedia project
WikiProject Medicine[14]
🏷️ Also known as
en pterygium en Surfer's Eye ar الظفرة de Pterygium conjunctivae de Multiples Pterygium-Syndrom de Flügelfell el Πτερύγιο es Pterigión es Pterigion fa پتریژیوم fa ناخنک fr Pterygion fr ptérygion he פטריגיום העין it pterigio ja 翼状片 pl Pterygion pl Pterygium pl Skrzydlik pt pterígio
🔖 Identifiers · 22
Image (Wikimedia Commons)
Pterygium (from Michigan Uni site, CC-BY).jpg ↗
Disease Ontology ID
DOID:0002116
DiseasesDB
10916
EMedicine ID
1192527
Exact match
purl.obolibrary.org, identifiers.org, purl.obolibrary.org
Experimental Factor Ontology ID
0000678
Human Phenotype Ontology ID
HP:0001059
ICD-10 ID
H11.011.0
ICD-10-CM
H11.009, H11.00, H11.0
ICD-11 ID (Foundation)
1207385905
ICD-11 ID (MMS)
9A61.1
ICD-9 ID
372.4372.4
Show all 22 identifiers +10
MeSH descriptor ID
D011625
MeSH tree code
C11.187.781
MedlinePlus ID
001011
Mondo ID
MONDO_0005085
PatientsLikeMe condition ID
pterygium-of-the-eye
Quora topic ID
Pterygium
UMLS CUI
C0033999, C4520843
WikiProjectMed ID
Pterygium (conjunctiva)
WikiSkripta article ID
45516
WordNet 3.1 Synset ID
05325153-n

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Described by source 2
Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary
Subclass of 2
disease, pinguecula
Different from 1
pterygium
Health specialty 1
ophthalmology
On focus list of Wikimedia project 1
WikiProject Medicine
← Different from 1
pterygium
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Summary

pterygium is a class of disease[1].

Related Entities

disease ophthalmology

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Disease Ontology. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  5. [6] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  6. [7] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  9. [10] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  10. [11] ↑ . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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 November 4, 2026, from https://4ort.xyz/entity/pterygium
MLA “pterygium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 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: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pterygium — https://4ort.xyz/entity/pterygium (retrieved 2026-11-04)

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. 23d ago · ~2026-54284-14 · 2026-10-14 view diff on Wikidata ↗
    Commons category → delete
    Sitelink count → 31
    Wikipedia languages → ['ar', 'commons', 'de', 'dv', 'en', 'eo', 'es', 'eu', 'fa', 'fr', 'he', 'hr', 'h
    Claims rich → —
    "/* wbsetclaim-update:1||1 */ Commons category: delete"
  2. 18w ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of → pinguecula, corneal disease, conjunctival disease +3
    Instance of → class of disease
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39742|batch #39742]]: subclass of disease, not instance"
  3. 18w 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.