Skull Basics
This is the total number of bones in the adult human skeleton.
206
This bone forms the forehead and part of the cranial roof.
Frontal bone
These are the largest facial bones and form the upper jaw.
Maxillae
This is the total number of vertebrae in the vertebral column
33 vertebrae
This is the longest and strongest bone in the body.
Femur
These immovable joints hold the bones of the skull together
Sutures
These two bones form most of the cranial roof.
Parietal bones
These bones form the cheekbones.
Zygomatic bones
This vertebra (C1) supports the head and allows the “yes” motion.
atlas
These two bones form the forearm.
Radius and Ulna
This opening in the skull allows the spinal cord to pass through.
Foramen magnum
This bone contains the mastoid process and external auditory meatus.
Temporal bone
This bone forms the lower jaw and is the only movable bone of the skull.
Mandible
This vertebra (C2) allows the head to rotate “no.”
axis
This bone is the main weight-bearing bone of the lower leg
Tibia
These air-filled spaces lighten the skull and add resonance to the voice.
Paranasal sinuses
This bone contains the sella turcica, which houses the pituitary gland.
Sphenoid bone
These bones form the posterior portion of the hard palate.
Palatine bones
This abnormal curvature of the spine involves a sideways curve.
Scoliosis
This bone forms the heel.
Calcaneus
This is the number of cranial bones in the skull.
8 cranial bones
This bone contributes to the nasal cavity and contains the cribriform plate.
Ethmoid bone
This bone forms the inferior portion of the nasal septum.
Vomer
These structures between vertebrae absorb shock and support body weight.
Intervertebral discs
These small bones form the wrist.
Carpal bones