Sphenoid bone

Child codes

• XA9N34 – Pituitary fossa

Foundation children elsewhere

• XA5309 – Craniopharyngeal duct

Sibling codes

• XA0E94 – Base of the skull
• XA0KU6 – Cranial fossa
• XA2BH0 – Calvarium
• XA2J87 – Parietal bone
• XA2P19 – Temporal bone
• XA2SR4 – Ethmoid bone
• XA5JA2 – Occipital bone
• XA6ZM9 – Frontal bone
• XA8E69 – Orbital bone

Foundation entity

Sphenoid bone – http://id.who.int/icd/entity/1867819830