Interbasilar sinus
Sinus interbasilaris
Definition
The interbasilar sinus is an unpaired dural venous sinus that connects the right and left basilar sinuses. In the dog, it is usually located transversely near the rostral margin of the foramen magnum and provides communication between the two sides of the basilar venous system.
References
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.