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All Communities

  • Jacobsen Syndrome

    3 members

    Jacobsen Syndrome is a rare disorder resulting from deletion of a part of chromosome 11 causing mild mental retardation, a distinctive facial appearance, and various physical problems.

  • Jarcho-Levin Syndrome

    1 members

    Jarcho-Levin Syndrome is a rare hereditary skeletal growth disorder.

  • Jejunal Atresia

    11 members

    Jejunal Atresia is a rare genetic disorder caused by the partial absence of the fold of the stomach membrane that connects the small intestine to the back wall of the abdomen resulting in the jejun...

  • Jeune Syndrome

    1 members

  • Johanson-Blizzard Syndrome

    3 members

    Johanson-Blizzard syndrome is a rare disorder characterized by abnormal development of the pancreas, nose and scalp, with mental retardation, hearing loss and growth failure.

  • Joubert Syndrome

    3 members

    Joubert Syndrome is a rare genetic disorder that affects the cerebellum, an area of the brain that controls balance and coordination.

  • Juvenile Psoriatic Arthritis

    2 members

  • Juvenile Rheumatoid Arthritis

    6 members

    Juvenile Rheumatoid Arthritis is a long-term (chronic) disease resulting in joint pain and swelling that affects children.

  • Juvenile X-Linked Retinoschisis

    1 members

    Juvenile X-Linked Retinoschisis is a rare genetic disorder primarily affecting young men.