NEUROANATOMY I. - Structures of the CNS

Index

Contents

Spinal cord

White substance of the spinal cord - the tracts

Proper fasciculi

Gracile fasciculus

Cuneate fasciculus

Septomarginal fasciculus

Interfascicular fasciculus

Triangle fasciculus

Spinotectal tract

Spinoreticular tract

Spinothalamic tract

Spinocerebellar tracts

Lateral corticospinal tract

Anterior corticospinal tract

Rubrospinal tract

Tectospinal tract

Vestibulospinal tract

Reticulospinal tract (fibres)

Interstitiospinal tract

Olivospinal and Spino-olivary tract

Description:
Anterior corticospinal tract - so called Pyramidal tracts. Their function are control of voluntary, descreate, skilled movements. They are set of lerge axons within promary motor cortex at precentral gyrus. 75 - 90 = of the fibres decussate at border between spinal cord and oblongata and run in laterel corticospinal tract. Rest of fibers runs ipsilateraly in ventral corticospinal tract then also decussate near to their termination. Both pert of the corticospinal tract terminate at ventral horn nuclei.

Description:

Anterior corticospinal tract - so called Pyramidal tracts. Their function are control of voluntary, descreate, skilled movements. They are set of lerge axons within promary motor cortex at precentral gyrus. 75 - 90 = of the fibres decussate at border between spinal cord and oblongata and run in laterel corticospinal tract. Rest of fibers runs ipsilateraly in ventral corticospinal tract then also decussate near to their termination. Both pert of the corticospinal tract terminate at ventral horn nuclei.