Explore the signs and symptoms, genetic cause, and inheritance pattern of various health conditions.
- Jackson-Lawler syndrome (PC-2), see Pachyonychia congenita
- Jackson-Weiss syndrome
- Jacob's syndrome, see 47,XYY syndrome
- Jacobsen syndrome
- Jacobsen thrombocytopenia, see Jacobsen syndrome
- Jadassohn-Lewandowski syndrome (PC-1), see Pachyonychia congenita
- Jaeken syndrome, see PMM2-congenital disorder of glycosylation
- JAK3 SCID, see JAK3-deficient severe combined immunodeficiency
- JAK3-deficient severe combined immunodeficiency
- Jankovic-Rivera syndrome, see Spinal muscular atrophy with progressive myoclonic epilepsy
- Jansen-de Vries syndrome
- Jansky-Bielschowsky disease, see CLN5 disease
- Jansky-Bielschowsky disease, see CLN2 disease
- Janz syndrome, see Juvenile myoclonic epilepsy
- Japanese autoinflammatory syndrome with lipodystrophy, see Nakajo-Nishimura syndrome
- Jarcho-Levin syndrome, see Spondylothoracic dysostosis
- Jarcho-Levin syndrome, see Spondylocostal dysostosis
- JASL, see Nakajo-Nishimura syndrome
- Jaundice, chronic idiopathic, see Dubin-Johnson syndrome
- JBTS, see Joubert syndrome
- JDVS, see Jansen-de Vries syndrome
- JEB, see Junctional epidermolysis bullosa
- JEB-LOC, see Laryngo-onycho-cutaneous syndrome
- Jensen syndrome, see Deafness-dystonia-optic neuronopathy syndrome
- Jervell and Lange-Nielsen syndrome
- Jervell-Lange Nielsen syndrome, see Jervell and Lange-Nielsen syndrome
- Jeune syndrome, see Asphyxiating thoracic dystrophy
- Jeune thoracic dysplasia, see Asphyxiating thoracic dystrophy
- Jeune thoracic dystrophy, see Asphyxiating thoracic dystrophy
- JIA, see Juvenile idiopathic arthritis
- JIP, see Juvenile polyposis syndrome
- JLNS, see Jervell and Lange-Nielsen syndrome
- Job syndrome, see Autosomal dominant hyper-IgE syndrome
- Job's syndrome, see Autosomal dominant hyper-IgE syndrome
- Job-Buckley syndrome, see Autosomal dominant hyper-IgE syndrome
- JOD, see Type 1 diabetes
- Joubert syndrome
- Joubert-Bolthauser syndrome, see Joubert syndrome
- JPD, see Juvenile Paget disease
- JPLS, see Juvenile primary lateral sclerosis
- JPS, see Juvenile polyposis syndrome
- JRA, see Juvenile idiopathic arthritis
- Junctional epidermolysis bullosa
- Junctional epidermolysis bullosa with pyloric atresia, see Epidermolysis bullosa with pyloric atresia
- Juvenile Batten disease, see CLN3 disease
- Juvenile cerebroretinal degeneration, see CLN3 disease
- Juvenile chronic arthritis, see Juvenile idiopathic arthritis
- Juvenile diabetes, see Type 1 diabetes
- Juvenile gout, choreoathetosis, mental retardation syndrome, see Lesch-Nyhan syndrome
- Juvenile hereditary epithelial dystrophy, see Meesmann corneal dystrophy
- Juvenile hyperuricemia syndrome, see Lesch-Nyhan syndrome
- Juvenile idiopathic arthritis
- Juvenile intestinal polyposis, see Juvenile polyposis syndrome
- Juvenile macular degeneration, see Stargardt macular degeneration
- Juvenile myoclonic epilepsy
- Juvenile neuronal ceroid lipofuscinosis, see CLN3 disease
- Juvenile Paget disease
- Juvenile Paget's disease, see Juvenile Paget disease
- Juvenile pernicious anemia with proteinuria due to selective intestinal malabsorption of vitamin B12, see Imerslund-Gräsbeck syndrome
- Juvenile PLS, see Juvenile primary lateral sclerosis
- Juvenile polyposis syndrome
- Juvenile primary lateral sclerosis
- Juvenile primary osteoporosis
- Juvenile RA, see Juvenile idiopathic arthritis
- Juvenile retinoschisis, see X-linked juvenile retinoschisis
- Juvenile rheumatoid arthritis, see Juvenile idiopathic arthritis
- Juvenile subacute necrotizing encephalopathy, see Leigh syndrome
- Juvenile sulfatidosis, Austin type, see Multiple sulfatase deficiency
- Juvenile-onset diabetes, see Type 1 diabetes
- Juvenile-onset diabetes mellitus, see Type 1 diabetes
- Juxtaglomerular hyperplasia with secondary aldosteronism, see Bartter syndrome
- JWS, see Jackson-Weiss syndrome