Complex sentence: Flynn-Aird Syndrome is a rare, autosomal dominant, hereditary degenerative neurological disease involving defects in the nervous, auditory, skeletal, visual, and endocrine systems.
Split into simpler sentences: Flynn-Aird Syndrome is a rare, hereditary, neurological disease that is inherited in an autosomal dominant fashion. The syndrome involves defects in the nervous, auditory, skeletal, visual, and endocrine systems.