disease arises from structure disease arises from alteration in structure 3q27.3 (Human) syndromic intellectual disability syndrome caused by partial chromosomal deletion congenital nervous system disorder multiple congenital anomalies/dysmorphic syndrome-intellectual disability partial deletion of the long arm of chromosome 3 3q27.3 microdeletion syndrome https://github.com/monarch-initiative/mondo/issues/3664 https://www.malacards.org/card/3q273_microdeletion_syndrome MONDO:0018341 MEDGEN:1651953 A rare chromosomal anomaly syndrome, resulting from the partial deletion of the long arm of chromosome 3, characterized by mild to severe intellectual disability, neuropsychiatric disorders of the psychotic and dysthymic spectrum, mild distinctive facial dysmorphism (incl. slender face, deep-set eyes, high nasal bridge with a hooked nose, small, low- set ears, short philtrum, small mouth with thin upper lip, prognathism) and a marfanoid habitus. Orphanet:397695 Del(3)(q27.3) UMLS:C4749427 GARD:0021633