Neurocranium — definition?
The bony structure enclosing the brain.
Calvaria — role?
Protects the brain's superior and lateral surfaces.
Skull base — divisions?
Anterior, middle, posterior fossae.
Cranial bones — total count?
Eight bones.
Frontal bone — main features?
Forehead, superior orbit, glabella, frontal sinus.
Ethmoid bone — key feature?
Cribriform plate for olfactory nerves.
Sphenoid bone — location?
Central skull base, behind orbits.
Occipital bone — main part?
Posterior skull, contains foramen magnum.
Parietal bones — position?
Sides and roof of the skull.
Temporal bones — contains?
External auditory meatus, mastoid process.
Cranial sutures — function?
Connect bones; allow skull growth.
Foramina of the skull — purpose?
Passage of nerves, vessels, spinal cord.
Frontal sinus — location?
In the frontal bone, above the nasal cavity.
Crista Galli — part of?
Ethmoid bone; attaches falx cerebri.
Foramen magnum — transmits?
Spinal cord, vertebral arteries, accessory nerve.
Pterygoid processes — part of?
Sphenoid bone; muscle attachment for mastication.
Testez vos connaissances avec un QCM de 8 questions sur Skull Anatomy and Cranial Bone Structure.
1. What is the frontal bone primarily responsible for forming in the skull?
2. Which specific feature of the sphenoid bone houses the pituitary gland?
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