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Different intrafusal fiber composition of spindles in sheep and pig extraocular muscles
G Lalatta Costerbosa1, P A Scapolo, A M Barazzoni
1Institute of Veterinary Anatomy, University of Bologna, Italy.
Experientia
|June 15, 1989
Abstract:
Histochemical profiles of intrafusal fibers have been examined in muscle spindles of extraocular muscles of sheep and pig. Results show that in the sheep the intrafusal content presents, in addition to chain fibers, at least one bag1 and one bag2 fiber, whereas in the pig almost all the spindles are one-bag-fiber [corrected] spindles.