Angelman Syndrome (also known as Syndrome, Angelman, Happy Puppet Syndrome): A syndrome characterized by multiple abnormalities, INTELLECTUAL DISABILITY, and movement disorders. Present usually are skull and other abnormalities, frequent infantile spasms (SPASMS, INFANTILE); easily provoked and prolonged paroxysms of l

NIH MeSH · D017204Diseases

Angelman Syndrome

Also known asSyndrome, Angelman · Happy Puppet Syndrome · Syndrome, Happy Puppet · Puppet Children · Children, Puppet

Definition

A syndrome characterized by multiple abnormalities, INTELLECTUAL DISABILITY, and movement disorders. Present usually are skull and other abnormalities, frequent infantile spasms (SPASMS, INFANTILE); easily provoked and prolonged paroxysms of laughter (hence happy); jerky puppetlike movements (hence puppet); continuous tongue protrusion; motor retardation; ATAXIA; MUSCLE HYPOTONIA; and a peculiar facies. It is associated with maternal deletions of chromosome 15q11-13 and other genetic abnormalities. (From Am J Med Genet 1998 Dec 4;80(4):385-90; Hum Mol Genet 1999 Jan;8(1):129-35)

MeSH classification

  • C10.228.662.075
  • C16.131.077.095
  • C16.131.260.040
  • C16.320.180.040
  • C16.320.447.250

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Related concepts

Common questions about Angelman Syndrome

What does Angelman Syndrome mean in medicine?
A syndrome characterized by multiple abnormalities, INTELLECTUAL DISABILITY, and movement disorders. Present usually are skull and other abnormalities, frequent infantile spasms (SPASMS, INFANTILE); easily provoked and prolonged paroxysms of laughter (hence happy); jerky puppetlike movements (hence puppet); continuous tongue protrusion; motor retardation; ATAXIA; MUSCLE HYPOTONIA; and a peculiar facies. It is associated with maternal deletions of chromosome 15q11-13 and other genetic abnormalities. (From Am J Med Genet 1998 Dec 4;80(4):385-90; Hum Mol Genet 1999 Jan;8(1):129-35) This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Angelman Syndrome known by any other names?
Yes. Angelman Syndrome is also referred to as Syndrome, Angelman, Happy Puppet Syndrome, Syndrome, Happy Puppet, Puppet Children in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Angelman Syndrome sit in the medical classification?
Angelman Syndrome falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C10.228.662.075, C16.131.077.095, C16.131.260.040). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Angelman Syndrome?
For a plain-language explanation of Angelman Syndrome - including symptoms, treatments and what it means for an Indian patient - ask GoDavaii's Health AI. It works in 22+ Indian languages, is free and needs no signup. Tap "Ask GoDavaii AI about Angelman Syndrome" above.

Source: NIH MeSH 2026 (D017204) — National Library of Medicine, public domain. View official MeSH record ↗