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Questions and Answers
What is the main function of the cranium?
What is the main function of the cranium?
How many bones make up the cranium?
How many bones make up the cranium?
What type of joints are found between the bones of the cranium?
What type of joints are found between the bones of the cranium?
What is the name of the bone that forms the lower jaw?
What is the name of the bone that forms the lower jaw?
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What is the function of the sutures in the cranium?
What is the function of the sutures in the cranium?
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Study Notes
Structure
- The skull is a bony structure that protects the brain and sensory organs
- Divided into two parts: cranium and face
Cranium
- Forms the upper part of the skull
- Protects the brain
- Composed of 8 bones:
- Frontal bone
- Parietal bone (2)
- Occipital bone
- Temporal bone (2)
- Sphenoid bone
- Ethmoid bone
Face
- Forms the lower part of the skull
- Supports the facial features
- Composed of 14 bones:
- Vomer
- Zygoma (2)
- Maxilla (2)
- Lacrimal bone (2)
- Palatine bone (2)
- Inferior nasal conchae (2)
- Mandible (jawbone)
Sutures
- Fibrous joints between bones of the cranium
- Allow for slight movement during birth and early childhood
- Eventually fuse together
Functions
- Protects the brain and sensory organs
- Supports the face and facial features
- Provides attachment points for muscles of mastication and facial expression
- Houses the nasal and oral cavities
Skull Structure
- The skull is a bony structure that protects the brain and sensory organs
- Divided into two parts: cranium and face
Cranium
- Forms the upper part of the skull
- Protects the brain
- Composed of 8 bones: • Frontal bone • Parietal bone (2) • Occipital bone • Temporal bone (2) • Sphenoid bone • Ethmoid bone
Face
- Forms the lower part of the skull
- Supports the facial features
- Composed of 14 bones: • Vomer • Zygoma (2) • Maxilla (2) • Lacrimal bone (2) • Palatine bone (2) • Inferior nasal conchae (2) • Mandible (jawbone)
Sutures
- Fibrous joints between bones of the cranium
- Allow for slight movement during birth and early childhood
- Eventually fuse together
Skull Functions
- Protects the brain and sensory organs
- Supports the face and facial features
- Provides attachment points for muscles of mastication and facial expression
- Houses the nasal and oral cavities
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Description
This quiz covers the composition and functions of the human skull, including the cranium and face. Learn about the bones that make up the skull and their roles in protecting the brain and sensory organs.
