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Questions and Answers
Which of the following is a bone of the cranium?
Which of the following is a bone of the cranium?
- Frontal (correct)
- Tibia
- Fibula
- Ulna
How many parietal bones are there in the cranium?
How many parietal bones are there in the cranium?
- 2 (correct)
- 0
- 3
- 1
What type of bone is the frontal bone?
What type of bone is the frontal bone?
- Irregular bone
- Long bone
- Short bone
- Flat bone (correct)
With which bone does the occipital bone articulate?
With which bone does the occipital bone articulate?
What is a key function of the frontal bone?
What is a key function of the frontal bone?
Which artery supplies blood to the frontal bone?
Which artery supplies blood to the frontal bone?
Which of the following is a part of the temporal bone?
Which of the following is a part of the temporal bone?
What does the occipital bone form?
What does the occipital bone form?
Which of the following bones is NOT one of the 8 cranial bones?
Which of the following bones is NOT one of the 8 cranial bones?
What is the main function of the parietal bones?
What is the main function of the parietal bones?
Which process of the temporal bone serves as an anchor point for muscles associated with the tongue and larynx?
Which process of the temporal bone serves as an anchor point for muscles associated with the tongue and larynx?
Which of the following bones articulates with the temporal bone?
Which of the following bones articulates with the temporal bone?
Which part of the frontal bone is involved in forming the eye orbits?
Which part of the frontal bone is involved in forming the eye orbits?
What is the shape of the temporal bones?
What is the shape of the temporal bones?
Which of the following provides structure to the skull?
Which of the following provides structure to the skull?
What part of the temporal bone contains the middle and internal part of the ear?
What part of the temporal bone contains the middle and internal part of the ear?
Which of the following provides attachment for muscles?
Which of the following provides attachment for muscles?
Which of the following parts are associated with Temporal Bones?
Which of the following parts are associated with Temporal Bones?
Which of the following is a function of the Frontal Bone?
Which of the following is a function of the Frontal Bone?
Flashcards
What is the cranium?
What is the cranium?
The bony structure of the head of vertebrates, encasing the brain.
Cranial Bones
Cranial Bones
The 8 bones that comprise the cranium which are the Sphenoid (1), Temporal (2), Ethmoid (1), Parietal (2), Occipital (1), Frontal (1).
Frontal Bone
Frontal Bone
A flat bone that forms the anterior part of the cranium, providing structure to the skull, eye orbits, and upper face; protects the frontal lobe of the brain; aids in facial expressions.
Parietal Bones
Parietal Bones
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Occipital Bone
Occipital Bone
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Temporal Bones
Temporal Bones
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What is the Styloid process?
What is the Styloid process?
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Study Notes
The Cranium
- The cranium consists of 8 bones.
8 Bones of the Cranium
- Sphenoid: There is 1 sphenoid bone.
- Temporal: There are 2 temporal bones.
- Ethmoid: There is 1 ethmoid bone.
- Parietal: There are 2 parietal bones.
- Occipital: There is 1 occipital bone.
- Frontal: There is 1 frontal bone.
Frontal Bone
- Type: Flat bone
- Parts: Squamous, orbital, and nasal.
- Location: Situated at the front of the cranium.
- Articulates with: Parietal bones, Ethmoid bone, lacrimal bones, Maxillae, Nasal bones, Zygomatic bones, and Sphenoid bone.
- Blood Supply: Middle meningeal artery.
- Functions:
- Provides structure to the skull, eye orbits, and the upper face.
- Protects the frontal lobe of the brain.
- Aids in facial expressions (muscles attachment point).
Parietal Bones
- Type: Flat bones.
- Parts: Frontal, occipital, sphenoidal, and mastoid angles.
- Location: Articulates with the frontal bone, occipital bone, temporal bone, and sphenoid bone.
- Blood Supply: Middle meningeal artery.
- Functions:
- Provide structure.
- Protect the brain.
Occipital Bone
- Type: Flat bone.
- Parts: Squamous, basilar, and lateral.
- Location: The occipital bone articulates with parietal bones, temporal bones, sphenoid bone, and the atlas.
- Blood Supply: Middle meningeal artery.
- Functions:
- 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: This bone articulates with the parietal bone, occipital bone, and zygomatic bone.
- Blood Supply: Middle meningeal artery, posterior auricular artery, and stylomastoid artery.
- Functions:
- Provides structure to the skull which 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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