Cervical vertebra C6

Function

Its prominent anterior (carotid) tubercle is the landmark where emergency responders compress the carotid artery against to control haemorrhage. Transmits the C6 nerve root to wrist extension.

Landmarks

• Body
• Chassaignac's tubercle (anterior tubercle)
• Transverse foramen
• Bifid spinous process

Articulations (joints)

• C5 above
• C7 below

Clinical relevance

The C6–7 level is a frequent site of spondylosis; the carotid tubercle guides anterior cervical surgical approaches.