disease arises from feature disease has basis in feature Aqueductal stenosis autosomal recessive disease autosomal recessive hydrocephalus due to congenital stenosis of aqueduct of Sylvius https://www.malacards.org/card/hydrocephalus_due_to_congenital_stenosis_of_aqueduct_of_sylvius MEDGEN:608953 OMIM:236635 MONDO:0009361 GARD:0024664 UMLS:C0431355 hydrocephalus due to congenital stenosis of aqueduct of Sylvius X-linked hydrocephalus with stenosis of the aqueduct of Sylvius congenital hydrocephalus