Invaginating Presynaptic Terminals in
The extraocular muscles of the rat also have twitch and slow fibers with large endplates or multiple endings respectively Teräväinen 1968a b Fig 11c d ; d ; recent studies confirm that extraocular muscles contain both twitch and slow fibers reviewed in Pette and Staron 1997; Schiaffino and Reggiani 2021 Subjunctional folds are