Orbit anatomy: blood and lymph supply
Key Points
- The ophthalmic artery is the prime artery of local supply to the orbit, it supplies all the orbital muscles, the lacrimal gland & the eye.
- The superior ophthalmic vein has communication with the cavernous sinus which has implication in local infection spread.
- The orbital lymph drainage is to deep cervical nodes via the pre-auricular & parotid groups
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