ANATOMY AND PHYSIOLOGY
Question: What are bones making orbit
The orbit is a pear shaped cavity and consist of various bones.
The roof is formed with.
frontal bone and Part of Sphenoid Bone
Lateral wall is formed by.
frontal Above
zygomatic Below
The floor is formed by
zygomatic Laterally
maxillary Medially
palatine bone.
while the medial wall is formed by
maxillary,
lacrimal,
ethmoidal and
sphenoid bone.
What is Function of Bony Orbit
It protects eye ball from external injuries.
What are bony relations of Orbit
Roof separates orbit from anterior cranial fossa.
Floor separates orbit from maxillary sinus.
Medial wall separates it from ethmoidal sinus.
What Structures Pass Thorough Superior Orbital Fissure
Lacrimal Nerve
Frontal nerve
Trochlear nerve
Oculomotor Nerve
Abducent Nerve
Nasocilliary Nerve
Superior Ophthalmic Vein
What Structures Pass through Inferior Orbital Fissure
Infraorbital nerve and vein
Maxillary nerve
Zygomatic nerve
inferior Opthalmic vein
What Structures Pass Through Optic Canal
Ophthalmic artery
MCQ where optic canal is located in orbit.