The Long Tracts

The main pathways through the brain stem are illustrated in Figure 33. The corticospinal tract, medial lemniscus, spinothalamic tract, and spinocerebellar tracts are the most important clinically. Not shown is the cortico-bulbar tract, which accompanies the corticospinal tract and connects, among other things, with the various brain stem motor nuclei. Unilateral damage

BRAIN STEM

facial motor nucleus-Internal acoustic meatus -

Stylomastoid foramen ■

-Lacrimal gland (tearing)

-Stapediustsound dampening)

■Taste(anterior 2/3 of tongue) and Submaxillary and sublingual glands (salivation]

Foclal musculature

Fig. 32 Schematic view of the course of CN7.

Brainstem Motor

Pyramid

MOTOR CORTEX THALAMUS

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  • elia nucci
    How to find the meatus stylomastoid?
    7 years ago

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