This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Veins communicating the cavernous sinus to pterygoid plexus pass through fossa of : 
Select and explain. 
A. Scapra, B. Vesalius, C. Ovale, D. Langer
B: Vesalius
Answer: B: Vesalius 
Explanation: B i.e. Vesalius; C i.e. OvaleForamen Vesalius is an inconstant foramen that gives passage to an emissary vein that connects pterygoid venous plexus with cavernous sinus (vein of vesalius)Q. It is also k/a sphenoidal emissary foramen as its seen in the great wing of sphenoid, medial to foramen ovale, opposite the root of pterygoid process. When present it opens below near scaphoid fossa (in the pterygoid process of sphenoid & gives origin to tensor vali patatini)Langer's (Axillopectoral) muscle/ Axillary Arch: A muscle originating from coracoid- process of scapula, extending to long head of triceps and adhering to both triceps brachii & tendinous pa of latissimus dorsi muscle.