Skeleton of Orbit

Frontal bone

Supraorbital notch

Lacrimal fossa

Ethmoid bone

Lacrimal Bone

Posterior lacrimal crest

Lacrimal groove

Maxilla

Anterior lacrimal crest

Infraorbital groove

Infraorbital foramen

Zygomatic bone

Sphenoid bone

Optic canal

Lesser wing

Superior orbital fissure

Greater wing

Anterior & posterior ethmoidal foramina

Inferior Orbital fissure

Lamina papyracea

Roof of orbit

Floor of orbit

Medial wall of orbit

Periorbita

Surface anatomy of eyeball, eyelids, and lacrimal apparatus

Eyelashes

Palpebral fissure (rima)

Medial & lateral palpebral commissures

Medial & lateral angles (canthi)

Sclera

Cornea

Iris

Pupil

Lacrimal caruncle

Lacrimal lake

Lacrimal papilla

Lacrimal Puncta

Margin of eyelid

Eyelashes (cilia)

Bulbar conjunctiva

Palpebral conjunctiva

Superior & inferior conjunctival fornices

Conjunctival sac

Eyelid and lacrimal apparatus

Orbicularis oculi muscle

Palpebral part

Orbital part

Tarsal plates

Orbital septum

Tarsal glands

Lacrimal gland

Lacrimal groove

Anterior lacrimal crest

Medial palpebral ligamet

Lacrimal sac

Lacrimal canliculi

Nasolacrimal duct

Right orbit from superior approach

Roof of the orbit

Frontal sinus

Ethmoidal cells

Periorbita

Frontal nerve

Supratrochlear nerve

Supraorbital nerve

Lacrimal nerve

Trochlear Nerve

Superior oblique muscle

Leavato palpebrae superioris muscle

Superior rectus muscle

Oculomotor nerve III

Superior oblique muscle

Lateral rectus muscle

Common tendinous ring

Abducent nerve (VI)

Nasociliary nerve

Long ciliary nerve

Anterior ethmoidal nerve

External nasal nerve

Oculomotor nerve

Superior division

Inferior division

Ciliary ganglion

Superior ophthalmic vein

Optic nerve (II)

Ophthalmic artery

Media rectus

Inferior rectus

Inferior oblique muscles

Left Orbit from the anterior approach

Conjunctival sac

Lacrimal gland

Trochlea

Inferior oblique muscle

Superior & inferior divisions of oculomotor nerve (III)

Optic nerve

Central artery of retina

Eyeball features

Fibrous (outer) layer

Vascular (middle) layer

Inner layer

Macula

Optic disc

Lens

Skeleton of Ear

Temporal bone

Groove for greater petrosal nerve

Tegmen tympani

External auditory meatus

Mastoid process

Stylomastoid foramen

Jugular fossa

Carotid cannal

Pharyngotympanic tube

External Ear

Auricle

Helix

Antihelix

Concha

Tragus

Antitragus

Lobule of the auricle

Auricular cartilage

External acoustic

Middle ear (tympanic cavity)

Tympanic cavity

Tympanic membrane

Tegmen tympani

Walls of tympanic cavity

Lateral – tympanic membrane

Medial – promontory, oval window & stapes

Posterior – aditus, mastoid air cells

Anterior – pharyngotympanic tube

Superior – tegmen tympani

Inferior – floor of tympanic cavity

Jugular fossa

Jugular bulb

Facial nerve (VII)

Vestibulocochlear nerve (VIII)

Geniculate ganglion

Greater petrosal nerve

Hiatus for greater petrosal nerve

Groove for greater petrosal nerve

Nerve of the pterygoid canal

Cochlea

Auditory ossicles

Malleus

Incus

Stapes

Tympanic membrane

Chorda tympani

Medial wall of tympanic cavity

Promontory

Stapes

Oval window

Stapedius

Round window

Tensor tympani muscle

Glossopharyngeal nerve

Tympanic plexus