All are in Norma Basalis except: (A) Mental foramen, (B) Foramen Magnum, (C) Formane Ovale, (D) Foramen Lacerum
Answer is A. The foramen present in the norma basalis are: 1.Greater palatine foramen 2.Lesser palatine foramen 3.Foramen lacerum 4.Foramen spinosum 5.Emissary sphenoidal foramen 6.Foramen magnum 7.Jugular foramen NOTES: The mental foramen is situated at the outer surface of mandible. The mental foramen lies below the interval between the premolar teeth. Ref.BDC volume 3,sixth edition pg 13