All efferent tracts originate from the purkinje cells

All efferent tracts originate from the Purkinje cells. The fibers from these cells terminate in the
intracerebellar nuclei (dentate nucleus, nucleus globosus, nucleus emboliformis, nucleus fastigii). It
is only necessary to show the dentate nucleus (in the white matter of the hemispheres), giving rise to
the dentatothalamic tract . Some fibers of the efferent tract do not terminate in the intracerebellar
nuclei, but terminate in the vestibular lateral nucleus (Deiters). The rest continue to the nucleus ruber
and the thalamus. The superior cerebellar peduncle has one afferent tract called the anterior
spinocerebellar tract and another called the tectocerebellar tract to the tectum of the mesencephalon.
The
MIDDLE CEREBELLAR PEDUNCLE
has the pontocerebellar tract and the reticulocerebellar tract.
The
INFERIOR CEREBELLAR PEDUNCLE
has the posterior spinocerebellar tract , the
vestibulocerebellar tract, and the olivocerebellar tract . There are additional tracts with less
importance: cuneocerebellar and trigeminocerebellar tracts. Its efferent tract is the cerebellovestibular
tract .
According to the histology of the cerebellum, the termination of these tracts should be known.
The olivocerebellar tract is the only tract that terminates by climbing fibers on the Purkinje cells. All
other tracts terminate by mossy fibers which synapse with the granulosa cells.
The cerebellum functionally has three main parts: vestibulocerebellum, spinocerebellum,
pontocerebellum. The vestibulocerebellar fibers terminate in the vestibulocerebellum which
influences the movements of the vestibular system. We can walk toward something without seeing
because the vestibular system sends afferents to the vestibulocerebellum, which in turn coordinates
our movements through the vestibular nuclei, and through these nuclei to the vestibulospinal tract
and to the fasciculus longitudinalis medialis.
The flocculus, pedunculus flocculi, and nodulus belong to the vestibulocerebellum (the oldest
part of the cerebellum is also called the archicerebellum.
The anterior lobe, pyramis, uvula, and the connecting part of the hemispheres belong to the
spino cerebellum (paleocerebellum). The spinocerebellar tract terminates here. The fibers run out to
the intracerebellar nuclei, and from there to the nucleus ruber and the thalamus, controlling the
voluntary movements through the extrapyramidal tract.
The pontocerebellum is the middle (largest) part of the cerebellum. It is the phylogenically
newest part (neocerebellum). The pontocerebellar tract terminates in this part as well as the
spinocerebellar tract (one of its two terminations).

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EYE
EXTRAOCULAR MUSCLES
There are six extraocular muscles plus the levator palpebri superioris. These muscles surround
the eye, forming something like a cone. The origin of the muscles is the annulus tendineus which
surrounds the optic canal. From this tendinous ring, all the muscles arise except the inferior oblique
muscle, which arises from behind the posterior lacrimal spine (posterior border of the lacrimal sac).