Ultrastructural alterations of primary afferent axons in the nucleus gracilis after peripheral nerve axotomy.

Abstract

Alterations of primary afferent axons in the nucleus gracilis were studied at three weeks and four, 12, and 24 months after peripheral nerve axotomy by hindlimb amputation at the hip joint in 19 female cats. The contralateral side and two cats not subjected to amputation were controls. We observed two major types of fiber alterations. One, fibers showed… (More)

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