Levator Palpebrae Superioris

Optic Nerve (II) (Visual Pathway): Schema

Central darker circle represents macular zone

Lighter shades represent monocular fields

Each quadrant a different color

Each quadrant a different color

Occipital Lobe Macular Fibers

Optic radiation

Calcarine sulcus

Projection on left occipital lobe

Projection on right occipital lobe

Optic radiation

Calcarine sulcus

Calcarine sulcus

Projection on left occipital lobe

Projection on right occipital lobe

Oculomotor (III), Trochlear (IV) and Abducent (VI) Nerves: Schema NEUROANATOMY

Long ciliary nerve Ciliary ganglion

Short ciliary nerves

Anterior ethmoidal nerve

Superior oblique muscle

Levator palpebrae superioris muscle

Superior rectus muscle

Abducent nucleus

Long ciliary nerve Ciliary ganglion

Short ciliary nerves

Anterior ethmoidal nerve

Superior oblique muscle

Levator palpebrae superioris muscle

Superior rectus muscle

Abducent nucleus

Levator Fiber Oculomotor

Mandibular nerve (V3)

Internal carotid artery and nerve plexus

Maxillary nerve (V2)

Lateral rectus muscle and abducent nerve (turned back)

-----Sympathetic fibers

Parasympathetic fibers

Mandibular nerve (V3)

Internal carotid artery and nerve plexus

Maxillary nerve (V2)

Lateral rectus muscle and abducent nerve (turned back)

-----Sympathetic fibers

Parasympathetic fibers

Parasympathetic root of ciliary ganglion

Cavernous plexus Common tendinous ring tri

Efferent fibers Afferent fibers

Proprioceptive fibers

Parasympathetic fibers

Ophthalmic nerve (V-)

Tentorial (meningeal) branch

Nasociliary nerve

Lacrimal nerve

Sensory root of ciliary ganglion

Frontal nerve

Ciliary ganglion Posterior ethmoidal nerve Long ciliary nerve Short ciliary nerves Anterior ethmoidal nerve Supraorbital nerve Supratrochlear nerve Infratrochlear nerve Internal nasal branches and

External nasal branches of anterior ethmoidal nerve

Maxillary nerve (V2)>

Meningeal branch -Zygomaticotemporal

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