<Li> Inferior margin: maxillary bone, palatine and zygomatic </Li> <Li> Medial margin: ethmoid, lacrimal bone, sphenoid (body of) and maxilla </Li> <Li> Lateral margin: zygomatic and sphenoid (greater wing) </Li> <P> The orbit holds and protects the eye . </P>

Which bone is not a part of the orbit