Ventral petrosal sinus
Sinus petrosus ventralis
Definition
The ventral petrosal sinus is a caudal extension of the cavernous sinus and extends to the ventral end of the sigmoid sinus. It is located in the petrooccipital canal and is a caudolateral intraosseous extension of the cavernous sinus.
References
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.
