Spinocerebellar ataxia type 3
Jan. 25, 2023
Nearly 3,000 illustrations, including video clips of neurologic disorders.
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
Full spectrum of neurology in 1,200 comprehensive articles.
Listen to MedLink on the go with Audio versions of each article.
A longitudinal section of normal muscle fiber, with intact sarcomeric structure, is flanked by one showing myofibrillar disruption and aggregates of material. These aggregates have the same electron density and periodicity as Z-bands, and appear as rod-shaped inclusions with long axes in the same direction as the axis of the myofibrils. (x17,000) (Contributed by Dr. Susan Iannaccone.)