Axial Skeleton (80 bones)

Skull (28)

Illustration mapping cranial bones

Cranial Bones

  • Parietal (2)
  • Temporal (2)
  • Frontal (1)
  • Occipital (1)
  • Ethmoid (1)
  • Sphenoid (1)
Illustration mapping out the different types of facial bones

Facial Bones

  • Maxilla (2)
  • Zygomatic (2)
  • Mandible (1)
  • Nasal (2)
  • Platine (2)
  • Inferior nasal concha (2)
  • Lacrimal (2)
  • Vomer (1)
Illustration mapping the bones of the auditory ossicles

Auditory Ossicles

  • Malleus (2)
  • Incus (2)
  • Stapes (2)

Hyoid (1)

Illustration mapping the bones of the vetebral column

Vertebral Column

  • Cervical vertebrae (7)
  • Thoracic vertebrae (12)
  • Lumbar vertebrae (5)
  • Sacrum (1)
  • Coccyx (1)

 

 

 

Illustration mapping the bones of the thoracic cage

Thoracic Cage

  • Sternum (1)
  • Ribs (24)

 

 

 

Suggested Citation

SEER Training Modules: Axial Skeleton (80 bones). U.S. National Institutes of Health, National Cancer Institute. Cited 23 January 2026. Available from: https://training.seer.cancer.gov.