Bones of the Skull - Anatomy Quiz

Flashcards about the bones of the skull, based on an anatomy quiz.

How many bones form the human skull?

22

Which bone contains the foramen magnum?

Occipital

Which of the following is NOT part of the viscerocranium?

Frontal

The calvaria is best described as:

The upper part of the neurocranium

What is the function of fontanels in infants?

Allow brain growth and flexibility during birth

The sphenoid bone has both greater and lesser wings. (True or False)

True

The frontal bone forms part of the orbit. (True or False)

True

Cranial sutures are mobile joints. (True or False)

False

The mandible is the only movable bone of the skull. (True or False)

True

The temporal bone houses parts of the ear. (True or False)

True

Name the four major cranial sutures:

Coronal, Sagittal, Lambdoid, Squamous

What is the diploë and what is its function?

The diploë is a cancellous (spongy) bone tissue found between the inner and outer layers of compact bone in the calvaria. It contains bone marrow and diploic veins.

Which bones articulate with the frontal bone? Name at least 3.

Parietal bones, Greater wing of the sphenoid, Zygomatic bone, Nasal bone, Lacrimal bone

What is craniosynostosis?

It is a pathological condition where one or more cranial sutures ossify prematurely, affecting skull shape and brain development.

Which bone is described as "butterfly-shaped" and unpaired?

Sphenoid bone

What are the components of the cranial base?

Sphenoid bone, Ethmoid bone, Occipital bone, Frontal bone, Temporal bone