In anatomy, the<unk> l bone is the cavity or socket of the skull in which the eye and its appendages are situated.
It can also mean the skin which surrounds the eye of a bird.
In the adult human, the volume of the<unk> is 30 ml, of which the eye occupies 6.5 ml.
Orbit 
Lacrimal bone
Aura 
Nasal bone
Paranasal sinus
Nasal cavity
Olea
Mastoid process