Orbit
Explore the Anatomy of the Orbit
Test your knowledge about the fascinating anatomy of the orbit with this comprehensive quiz! From cranial nerves to vascular structures, challenge yourself and see how well you understand the connections within the orbit.
- 15 engaging questions
- Multiple-choice format
- Ideal for students and professionals alike
Orbit communicates with
Middle cranial fossa through inferior orbital fissure
Anterior cranial fossa by superior orbital fissure
Pterygopalatine fossa by anterior ethmoidal foramen
Infratemporal fossa by optic canal
Forehead by supraorbital foramen
Superior orbital fissure:
Lies between orbital surfaces of the greater and lesser wings of sphenoid bone
Lies between orbital surface of greater wing and orbital surface of body of maxilla
Perforates the lesser wing of sphenoid bone
Perforates the greater wing
Lies in the bottom wall of the orbit
Oculomotor nerve supplies:
Superior oblique m
Lateral rectus m
Inferior rectus m
Orbicularis oculi m
Corrugator supercilii muscle
Ophthalmic artery:
Is a branch of ECA
Passes to the orbit through the superior orbital fissure
Gives branches to the lacrimal gland
Reaches the orbit trhough the inferior orbital fissure
Is a branch of the facial artery
On the orbital vault you can NOT find:
Lacrimal fossa
Trochlear fovea
Trochlear spine
Anterior lacrimal crest
Zygomatic process
The ophthalmic veins leave the orbit through:
Optic canal
Inferior orbital fissure
Supraorbital foramen
Infraorbital foramen
Semilunar hiatus
Levator palpebral m is innervated by:
Trochlear nerve
Abducens nerve
Oculomotor nerve
Ophthalmic nerve
Frontal nerve
Lateral rectus m is innervated by:
Trochlear nerve
Abducens nerve
Oculomotor nerve
Ophthalmic nerve
Frontal nerve
Anterior ethmoidal nerve is a branch of:
Nasociliary nerve
Lacrimal nerve
Frontal nerve
Oculomotor nerve
Trochlear nerve
In the lateral wall of the orbit we can find part of the:
Sphenoid bone
Palatine bone
Maxilla
Frontal bone
Temporal bone
The abducens nerve leaves the skull through:
Foramen rotundum
Foramen ovale
Infraorbital foramen
Superior orbital fissure
Inferior orbital fissure
What is a branch of the ophthalmic artery?
Posterior ethmoidal a
Angular a
Infraorbital a
Caroticotympanic a
Anterior superior alveolar a
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