Os sphenoidale

Corpus

• Sulcus prechiasmaticus
• Sella turcica
• Tuberculum sellae
• Fossa hypophysialis
• Dorsum sellae
• Sulcus caroticus (2)
• Synchondrosis sphenooccipitalis (back surface)
• Apertura sinus sphenoidalis (2) in front surface
• Sinus sphenoidalis (2)
• Septum sinuum sphenoidalium
• On inferior surface  vomer is attached.

Ala minor

• Canalis opticus
• Procesus clinoideus anterior
• Fissura orbitalis superior

Ala major

• Facies cerebralis
• Foramen rotundum
• Foramen ovale
• Foramen spinosum
• Facies temporalis
• Facies infratemporalis
• Crista infratemporalis
• Facies maxillaris
• Facies orbitalis

Processus pterygoideus

• Lamina lateralis
• Lamina medialis
• Fossa pterygoidea
• Canalis pterygoideus