Podcast
Questions and Answers
What is the joint between the frontal bone and the parietal bones?
What is the joint between the frontal bone and the parietal bones?
Which of the following is NOT a part of the ethmoid bone?
Which of the following is NOT a part of the ethmoid bone?
What is the name of the joint between the parietal bones and the occipital bone?
What is the name of the joint between the parietal bones and the occipital bone?
Which of the following openings is located in the orbital wall?
Which of the following openings is located in the orbital wall?
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What is the name of the bony structure that forms the posterior cranial fossa?
What is the name of the bony structure that forms the posterior cranial fossa?
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What is the name of the process that connects the zygomatic bone to the temporal bone?
What is the name of the process that connects the zygomatic bone to the temporal bone?
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Which of the following bones does NOT form the middle cranial fossa?
Which of the following bones does NOT form the middle cranial fossa?
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What is the name of the opening that connects the nasal cavity to the nasopharynx?
What is the name of the opening that connects the nasal cavity to the nasopharynx?
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Study Notes
Cranial Sutures
- There are four major sutures: sagittal, coronal, squamous, and lambdoidal.
- Sagittal suture: the joint between the two parietal bones.
- Coronal suture: the joint between the frontal bone and the parietal bones.
- Squamous suture: the joint between the parietal and temporal bones.
- Lambdoidal suture: the joint between the parietal bones and the occipital bone.
Cranial Features
- Supra-orbital notch or foramen: located in the frontal sinus.
- Parietal foramen: a distinct feature of the parietal bone.
- Occipital condyle: a feature of the occipital bone.
- Styloid process and zygomatic process: both are part of the temporal bone.
- Sphenoid bone: composed of several parts, including the sella turcica.
- Ethmoid bone: composed of three parts - perpendicular plate, cribriform plate, and ethmoid labyrinth.
Zygomatic Bone
- Zygomatic bone: composed of a temporal process, frontal process, and zygomatic arch.
- Temporal process and frontal process: both are parts of the zygomatic bone.
Mandible and Cranial Fossae
- Condylar process and coronoid process: both are part of the mandible.
- Mandibular foramen: a feature of the mandible.
- Vault of the Skull: a general term for the cranial structure.
- Middle cranial fossa: created by the sphenoid, temporal, and parietal bones.
- Posterior cranial fossa: formed by the sphenoid, temporal, and occipital bones.
Orbital and Nasal Features
- Orbital opening: composed of several features, including the supraorbital notch (foramen), infraorbital groove and canal, nasolacrimal canal, superior orbital fissure, inferior orbital fissure, and optic canal.
- Nasal vestibule: connects to the posterior nasal aperture (choana).
- Lateral wall of nasal cavity: composed of nasal conchae and nasal meatus.
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Description
This quiz reviews the major sutures of the skull, including the sagittal, coronal, squamous, and lambdoidal sutures, as well as the bones of the cranium.
