S6 Orbit and Ear List of Structures

List of Structures

Osteology

• Orbital rim

  • Maxilla

  • Frontal

    • Lacrimal fossa

  • Zygomatic

• Lacrimal

• Ethmoid

• Sphenoid

  • Optic canal

  • Superior orbital fissure

  • Inferior orbital fissure

Eyeball, eyelid, & lacrimal apparatus

• Lateral angle (canthus) of eye

• Medial angle (canthus) of eye

• Lacrimal gland

• Lacrimal lake

• Conjunctiva

  • Palpebral conjunctiva

  • Bulbar conjunctiva

  • Conjunctival sac

• Fibrous layer of eyeball

  • Sclera

  • Cornea

• Vascular layer of eyeball

  • Iris

    • Pupil

• Nerves

  • Optic n. (CN II)

  • Oculomotor (CN III)

  • Trochlear n. (CN IV)

  • Trigeminal n. (CN V)

    • Ophthalmic n. (V1)

      • Lacrimal n.

      • Frontal n.

        • Supratrochlear n.

        • Supra-orbital n.

        • Nasociliary n.

    • Maxillary n. (V2)

  • Abducens n. (CN VI)

Vasculature

• Superior ophthalmic v.

• Internal carotid a.

  • Ophthalmic a.

    • Central retinal a.

• Cavernous sinus

Muscles

• Orbicularis oculi m.

  • Palpebral part

  • Orbital part

• Extra-ocular mm.

  • Levator palpebrae superioris m.

  • Superior rectus m.

  • Inferior rectus m.

  • Medial rectus m.

  • Lateral rectus m.

  • Superior oblique m.

  • Inferior oblique m.

Ear Model

• External ear

  • Auricle (pinna)

  • External acoustic meatus

• Middle ear

  • Tympanic membrane

  • Malleus

  • Incus

  • Stapes

  • Tensor tympani m.

• Internal (Inner) ear

  • Vestibule

  • Semicircular canals

  • Cochlea