Anatomy— Relationship of structures at the apex of the orbit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Relationship of structures at apex of orbit

 

A. Levator palpebrae superioris muscle

B. Lacrimal nerve (Va)

C. Frontal nerve (Va)

D. Trochlear nerve (IV)

E. Superior ophthalmic vein

F. Superior division of oculomotor nerver (III)

G. Nasociliary nerve (Va)

H. Abducent nerve (VI)

I. Inferior division of occulomotor nerve (III)

J. Superior orbital fissure

K. Superior oblique muscle

L. Superior rectus muscle

M. Medial rectus muscle

N. Optic nerve (II) and ophthalmic artery emerging through optic canal

O. Inferior rectus muscle

       P.           Lateral rectus muscle

       Q.          Zygomatic and infra-orbital nerves passing through inferior orbital fissure (Vb)

       R.           Inferior ophthalmic vein

 

 

 

 

 

 

 

 

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