Jugular foramen contents
The carotid ridge separates the Jugular foramen from the nearby carotid canal. Contents of jugular foramen (JF): Cr. N. IX, X, XI, petrosal sinus, sigmoid sinus, some meningeal branches from the ascending pharyngeal and occipital arteries 1).
1)
Svien HJ, Baker HL, Rivers MH. Jugular Foramen Syndrome and Allied Syndromes. Neurology. 1963; 13:797–809