Podcast
Questions and Answers
What is the type of bone that the mastoid belongs to?
What is the type of bone that the mastoid belongs to?
- Short
- Irregular (correct)
- Long
- Flat
Which of these is NOT a function of the occipital bone?
Which of these is NOT a function of the occipital bone?
- Provides attachment for muscles
- Forms the foramen magnum
- Protects the spinal cord (correct)
- Provides structure
What is the name of the part of the occipital bone that articulates with the atlas?
What is the name of the part of the occipital bone that articulates with the atlas?
- Basilar (correct)
- Squamous
- Lateral
- Foramen magnum
Which of these bones does NOT articulate with the temporal bone?
Which of these bones does NOT articulate with the temporal bone?
Which of these structures is NOT a part of the temporal bone?
Which of these structures is NOT a part of the temporal bone?
Which of these bones, discussed in the provided content, is located at the front of the the cranium?
Which of these bones, discussed in the provided content, is located at the front of the the cranium?
Which of these bones is found in the cranium, as per the content above, but is not classified as a flat bone?
Which of these bones is found in the cranium, as per the content above, but is not classified as a flat bone?
Which artery is mentioned as supplying blood to the Frontal bone?
Which artery is mentioned as supplying blood to the Frontal bone?
Which of these bones, discussed in the context, does the Frontal bone not articulate with?
Which of these bones, discussed in the context, does the Frontal bone not articulate with?
Which of these is not mentioned as a part of the Frontal bone?
Which of these is not mentioned as a part of the Frontal bone?
What is one of the functions of the Frontal bone listed in the content?
What is one of the functions of the Frontal bone listed in the content?
Which of these angles is not mentioned as part of the Parietal bone?
Which of these angles is not mentioned as part of the Parietal bone?
Which of these bones is not mentioned as articulating with the Parietal bone?
Which of these bones is not mentioned as articulating with the Parietal bone?
Flashcards
Cranium
Cranium
The skull that houses and protects the brain.
Frontal Bone
Frontal Bone
Flat bone at the front of the cranium; protects the frontal lobe.
Parietal Bones
Parietal Bones
Two flat bones that form the sides and roof of the cranium.
Occipital Bone
Occipital Bone
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Temporal Bones
Temporal Bones
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Sphenoid Bone
Sphenoid Bone
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Ethmoid Bone
Ethmoid Bone
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Blood Supply of Frontal Bone
Blood Supply of Frontal Bone
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Mastoid
Mastoid
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Foramen Magnum
Foramen Magnum
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Middle Meningeal Artery
Middle Meningeal Artery
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Study Notes
The Cranium
- The cranium is composed of 8 bones
- These bones include: Frontal, Parietal (2), Sphenoid, Ethmoid, Temporal (2), Occipital
Frontal Bone
- Type: Flat bone
- Parts: squamous, orbital, nasal
- Location: front of the cranium, articulates with parietal bones, ethmoid, lacrimal, maxillae, nasal, zygomatic, and sphenoid bones
- Blood supply: middle meningeal artery
- Function:
- Provides structure to the skull, eye orbits, and upper face
- Protects the frontal lobe of the brain
- Aids in facial expressions (muscle attachment point)
Parietal Bones
- Type: Flat bones
- Parts: frontal, occipital, sphenoidal, mastoid angles
- Location: articulate with frontal, occipital, temporal, and sphenoidal bones
- Blood supply: middle meningeal artery
- Function:
- Provides structure
- Protects the brain
Occipital Bone
- Type: Flat bone
- Parts: squamous, basilar, and lateral
- Location: articulates with parietal, temporal, sphenoid bone, and atlas
- Blood supply: middle meningeal artery
- Function:
- Provides structure to the skull
- Provides attachment for muscles
- Forms the foramen magnum
Temporal Bones
- Type: Irregular bones
- Parts: squamous, petrous, tympanic, mastoid, and styloid
- Location: articulates with parietal, occipital, and zygomatic bones
- Blood supply: middle meningeal artery, posterior auricular artery, and stylomastoid artery
- Function:
- Provides structure to the skull and protects the brain
- The styloid process is an anchor point for muscles associated with the tongue and larynx
- Contains the middle and internal part of the ear
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