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Question 1

X - origin

Answer 1

medulla oblongata
S - nucl. tractus spinalis n. trigemini
PS - nucl. parasymp n. vagi
M - nucl. ambiguus

= vagus is a mixed parasymp nerve

Question 2

branches prior to leaving skull

Answer 2

ggl. prox have 2 branchings
- r. meniges
- r. auricularis

Question 3

initial branches after exiting the skull through..

Answer 3

for. jugulare: ggl. distale
- n. jugularis (to ggl dist)
- rr. pharyngei to constrictores
- n. lar cran

enter tr. vagosymp with vagus and symp tr.:

• n. depressor: decr heartrate
• n. lar recurrens

Question 4

tr vagalis dors et ventr go to

Answer 4

ventr: stomach, liver
dors: celiac ggl