Orbit

The 7 bones of the orbit:

• Frontal
• Zygoma
• Maxillary
• Sphenoid
• Ethmoid
• Palatine
• Lacrimal

• Volume: 30ml
• There are no lymphatic vessels or nodes in the orbit
• Medial periocular tissues: drain to submandibular lymph nodes
• Lateral periocular tissues: drain to superficial preauricular…