Term Name:	orbital sulcus
Synonyms:	cruciate sulcus of campbell, ORBS, sulci orbitales, sulci orbitalis, sulcus orbitalis
Definition:	The inferior or orbital surface of the frontal lobe is concave, and rests on the orbital plate of the frontal bone. It is divided into four orbital gyri by a well-marked H-shaped orbital sulcus
Ontology:	Uberon Ontology [UBERON:0002595]