Part I Head, Neck, Brain and Spinal Cord

A. Left orbit with roof removed – from above

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Abducent nerve (VI)
Lacrimal gland
Orbital fat
Attached margin of tentorium cerebelli
Pituitary gland
Frontal sinus
Diaphragma sellae
Cribriform plate of ethmoid bone
Internal carotid artery
Optic nerve (II)
Oculomotor nerve (III)
Tentorium cerebelli
Anterior clinoid process
Crista galli of ethmoid bone
Trigeminal nerve (V)
Free margin of tentorium cerebelli
Posterior margin of lesser wing of sphenoid
Ethmoidal air cells
Frontal bone
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Pituitary gland
Diaphragma sellae
Optic nerve (II)
Anterior clinoid process
Internal carotid artery
Oculomotor nerve (III)
Free margin of tentorium cerebelli
Abducent nerve (VI)
Trigeminal nerve (V)
Tentorium cerebelli
Attached margin of tentorium cerebelli
Posterior margin of lesser wing of sphenoid
Frontal bone
Frontal sinus
Crista galli of ethmoid bone
Cribriform plate of ethmoid bone
Ethmoidal air cells
Orbital fat
Lacrimal gland