Corticonuclear Projections and Innervation of the Oral Cavity

Corticonuclear Projections and Innervation of the Oral Cavity

Corticonuclear Projections and Innervation of the Oral Cavity Face Area of Somatomotor Cortex and Frontal Eye Field F

See Atlas Fig. 2-11 Corticonuclear Fibers

* * ** *

Internal Internal Capsule Capsule in MRI

Atlas Fig. 5-12 Corticonuclear Fibers

* * ** *

Corticonuclear Fibers in the Crus Cerebri c Fa

LE POT fibers e UE

FP fibers Trigeminal Nerve: CN V

* * ** *

Facial Nerve: CN VII Facial Nerve: CN VII *

* ** * The Facial Nerve

Central Seven Bell Palsy

Text Fig. 25-14 Smile Smile

Pan Am Smile Duchenne smile Pan Am Smile

Duchenne smile Corticonuclear Fibers

Vagus X Nucleus ambiguus Hypoglossal nucleus

Text Fig. 25-15 Corticonuclear Fibers Nucleus ambiguus

Hypoglossal nucleus Text Fig. 25-15

Lesion of the Hypoglossal Nerve Text Fig. 25-16 Accessory Nerve CN XI

* * ** *

Accessory Nerve CN XI Motor neurons in the cervical spinal cord Trapezius & sternocleidomastoid muscles

Sternocleidomastoid Trapezius

Grays Anatomy for students: Figs. 8.171 page 920, 7.9 page 614 The sternocleidomastoid will tilt the head towards the shoulder on the same side, Thereby, rotating the head to turn the face to the opposite direction

Case Study Case Study Brainstem Syndromes Involving

Corticospinal Fibers and Cranial Nerves Table 25-1 The Uncus and Uncal Herniation

Uncus Pernkopf Anatomy, Urban & Schwarzenberg, Munich, 1989, Figure 202

The Uncus and Uncal Herniation Text Fig. 25-17 Atlas Fig. 5-14

Third Nerve Palsy Eye down and out Corticonuclear Fibers in the Crus Cerebri

Fa LE POT fibers

Atlas Fig. 5-24 ce UE

FP fibers The Kernohan Syndrome

Atlas Fig. 5-23 Text Fig. 25-18 Thank you

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