Questions and Answers
What is the main function of the pyramidal structure known as the orbit?
Protecting the brain and optic nerve from direct force
What important structures pass through the notch in the medial third of the superior orbital rim?
Supraorbital nerve, artery, and vein
What is the function of the lateral orbital rim being projected the least?
Facilitating lateral vision
Which part of the lateral orbital wall thickens considerably near the sphenoid bone?
Signup and view all the answers
What is the main protractor of the eyelids?
Signup and view all the answers
Which nerve innervates the Orbicularis oculi muscle?
Signup and view all the answers
What passes through the inferior orbital fissure?
Signup and view all the answers
How does the floor of the orbit curve towards the superior orbital fissure?
Signup and view all the answers
What does the medial orbital wall separate from the orbit?
Signup and view all the answers
What is the primary function of the thicker bone at the apex and base of the orbit?
Signup and view all the answers
What is the main function of the curvilinear orbital walls?
Signup and view all the answers
Where is the supratrochlear nerve located in relation to the supraorbital nerve?
Signup and view all the answers
What is the relative thickness of the zygomatic portion of the lateral orbital wall?
Signup and view all the answers
What is the main function of the lateral orbital rim having the least projection?
Signup and view all the answers
What is the main role of the medial orbital wall?
Signup and view all the answers
Which structure transmits the maxillary nerve and inferior ophthalmic vein?
Signup and view all the answers
Which muscle is responsible for gentle lid closure?
Signup and view all the answers
Which nerve innervates both the temporal and zygomatic branches of the facial nerve?
Signup and view all the answers
What passes through the superior orbital fissure?
Signup and view all the answers