Stock Photo: HEAD, MRI. HEAD, MRI Frontal section. 1.Brain 2.Temporal muscles 3.Eyeballs 4.Optic nerves 5.Oculo-motor muscles (superior right, inferior right, lateral right called external right, medial right called internal right, levator palpebrae superioris muscle, superior oblique called great oblique, inferior oblique called small oblique). 6.Maxillairy and frontal sinuses. 7.Nasal cavities. 8.Wall of nasal cavities. 9.Masseter muscles. 10.Tongue