ORBIT
- Orbit
- Orbital cavity
- pyramidal cavity
- present on each side of nose
- CONTENTS
- provide sockets for eyeball
- Fascia
- orbital fascia
- bulbar fascia
- Orbital opening
- Orbital margin
- Supra-orbital margin
- Infra-orbital margin
- Lateral margin
- Medial margin
- Roof
- Floor
- Lateral wall
- Medial wall
- Anterior ethmoidal foramen
- Posterior ethmoidal foramen
- Lacrimal groove
- Fossa for lacrimal sac
- Superior orbital fissure
- Inferior orbital fissure
- Nasolacrimal canal
- Bony nasal cavity
- Bony nasal septum
- Piriform aperture
- Superior nasal meatus
- Middle nasal meatus
- Inferior nasal meatus
- Opening of nasolacrimal canal
- Common nasal meatus
- Spheno-ethmoidal recess
- Nasopharingeal meatus
- Choana; posterior nasal aperture
- Sphenopalatine foramen