sphenoid bone

Structure

• unpaired bone of the cranium, consisting of a central part or body & 6 processes: 2 greater wings, 2 lesser wings & 2 pterygoid processes

Articulation

• it articulates the occipital bone, frontal bone, ethmoid bone & vomer & with the paired temporal bone, parietal bone, zygomatic bone, palatine bone & sphenoid concha

More general terms

• bone

More specific terms

• scaphoid fossa of sphenoid bone (Cruveilhier fossa)
• sphenoidal emissary foramen (venous/Vesalius foramen)
• vaginal/sheath process of sphenoid bone

Component of

• skull (cranium)

Components

• optic groove (prechiasmatic sulcus)
• clinoid process
• medial pterygoid plate
• lateral pterygoid plate
• inferior orbital fissure
• superior orbital fissure (sphenoidal formamen)
• foramen rotundum
• foramen spinosum
• pterygoid canal (vidian canal)
• pterygoid notch
• pterygoid process
• nasolacrimal duct (NLD)
• lacrimal foramen
• sella turcica (hypophyseal fossa)