part of part of orbital region multi organ part structure ocular adnexa UMLS:C0229243 adnexal parts of orbital region The parts of the orbital region that are outside of the the eyeball, including the lacrimal apparatus, the extraocular muscles and the eyelids, eyelashes, eyebrows and the conjunctiva. FMA:76554 accessory parts of orbital region appendages of the eye structurae oculi accessoriae NCIT:C32574 UBERON:0035639 eye adnexa appendage of eye accessory visual structures set set of accessory visual structures accessory visual structures SCTID:120612006 adnexa oculi Wikipedia:Accessory_visual_structures