<prompt> Lamina papyracea separates nose fromSphenoid boneOrbitFrontal boneMaxillary sinus  <response>: Ref: Henry Gray. Anatomy of the Human Body. The lateral surface is formed of a thin, smooth, oblong plate, the lamina papyracea os planum, which covers in the middle and posterior ethmoidal cells and forms a large pa of the medial wall of the orbit; it aiculates above with the orbital plate of the frontal bone, below with the maxilla and orbital process of the palatine, in front with the lacrimal, and behind with the sphenoid. 