Nervus accessorius

The tutorial covers the accessory nerve, its anatomy, and its role in the nervous system. It explains the difference between efferent and afferent fibers, detailing their functions and pathways. The accessory nerve's anatomy is explored, highlighting its internal and external ramus. Clinical implications of accessory nerve damage are discussed, focusing on muscle weakness and potential lesions.

What is the significance of the jugular foramen in relation to the accessory nerve?

What are the two roots of the accessory nerve?

How does the accessory nerve connect with the vagus nerve?

Discuss the clinical implications of lesions in the accessory nerve.