Mandibular nerve exits the cranial cavity by passing through: (A) Formanen rotundum, (B) Foramen lacerum, (C) Stylomastoid foramen, (D) Foramen ovale
Answer is D. Mandibular nerve begins in the middle cranial fossa through a large sensory root and a small motor root. The sensory root arises from the lateral pa of the trigeminal ganglion and leaves the cranial cavity through the foramen ovale. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.