Young–Madders syndrome

Holoprosencephaly-postaxial polydactyly syndrome associates, in chromosomally normal neonates, holoprosencephaly, severe facial dysmorphism, postaxial polydactyly and other congenital abnormalities, suggestive of trisomy 13 (see this term)
MedicalCondition developmental_defect_during_embryogenesis Q17155571
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Young–Madders syndrome

Summary

Young–Madders syndrome is a developmental defect during embryogenesis[1]. It draws 70 Wikipedia views per month (developmental_defect_during_embryogenesis category, ranking #131 of 308).[2]

Key Facts

  • Young–Madders syndrome's instance of is recorded as developmental defect during embryogenesis[3].
  • Young–Madders syndrome's instance of is recorded as class of disease[4].
  • Young–Madders syndrome is a type of holoprosencephaly[5].
  • Young–Madders syndrome is a type of genetic syndromic intellectual disability[6].
  • Young–Madders syndrome is a type of multiple congenital anomalies/dysmorphic syndrome-intellectual disability[7].
  • Young–Madders syndrome's NCI Thesaurus ID is recorded as C125418[8].
  • Young–Madders syndrome's exact match is recorded as http://www.orpha.net/ORDO/Orphanet_2166[9].

Why It Matters

Young–Madders syndrome draws 70 Wikipedia views per month (developmental_defect_during_embryogenesis category, ranking #131 of 308).[2] It is known by 6 alternative names across languages and contexts.[10]

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] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  5. [7] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  6. [8] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  7. [9] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] . Wikidata aliases. wikidata.org.

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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). Young–Madders syndrome. Retrieved May 3, 2026, from https://4ort.xyz/entity/young-madders-syndrome
MLA “Young–Madders syndrome.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/young-madders-syndrome.
BibTeX @misc{4ortxyz_young-madders-syndrome_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Young–Madders syndrome}}, year = {2026}, url = {https://4ort.xyz/entity/young-madders-syndrome}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Young–Madders syndrome — https://4ort.xyz/entity/young-madders-syndrome (retrieved 2026-05-03)

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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. 16d ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Aliases
    Subclass of
    Instance of developmental defect during embryogenesis, class of disease
    Instance of
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39742|batch #39742]]: subclass of disease, not instance"
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