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24 Cards in this Set
- Front
- Back
Fill in the total number of bones.
A. Cranium _____ B. Facial Bones ______ |
A. 8
B. 14 |
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List the four cranial bones that form the calvaria (skull cap).
A. B. C. D. |
A. Frontal
B. Right Parietal C. Left Parietal D. Occipital |
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List the four cranial bones that form the floor of the carium.
A. B. C. D. |
A. Right Parietal
B. Left Parietal C. Sphenoid D. Ethmoid |
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The small horizontal plate of the ethmoid seen in the above drawings is called ________.
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Cribiform Plate
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The vertical plate of the ethmoid bone forming the upper portion of the bony nasal septum is the _____________.
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Perpendicular Plate
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A structure found in the middle of the sphenoid bone that surrounds the pituitary gland is the ____________.
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Sella Turcica
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The posterior aspect of the sella turcica is called the __________.
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Dorsum sellae
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Which structure of the sphenoid bone allows for the passage of the optic nerve and is the actual opening into the orbit?
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Optic Foramen
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Which structure of the sphenoid bone help form part of the lateral walls of the nasal cavities?
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Medial and Lateral Pterygold Processes
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Which radiographic cranial position best demonstrates the sella turcica?
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Lateral
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Which aspect of the frontal bone forms the superior aspect of the orbit?
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Orbital or horizontal plate
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What are the four major sutures?
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A. Coronal
B. Squamosal C. Lambdoidal D. Sagittal |
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Cranial sutures are classified as being ___________ joints.
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Fibrous or synarthroidal
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Small irregular bones that sometimes develop in adult skull sutures are called ________ or _______ bones and are most frequently found in the __________ suture.
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Sutural or wormian, lambdoidal
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Which term describes the superior rim of the orbit?
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Supraorbital Margin (SOM)
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What is the name of the notch that separates the orbital plates from each other?
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Ethmoidal Notch
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Which cranial bones form the upper lateral walls of the calvarium?
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Right and left parietals
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Which cranial bone contains the foramen magnum?
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Occipital
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A small prominence located on the squamous portion of the occipital bone is called the ________.
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External occipital portuberance
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What is the name of the oval processes found on the occipital bone that help form the occipito-atlantal joint?
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Occipital
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List the three aspects of the temporal bones
A. B. C. |
A.Squamous
B. Mastoid C. Petrous |
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T/F. The mastoid portion of the temporal bone is the densest of the three aspects of the temporal bone.
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Petrous portion
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Which external landmark corresponds with the level of the petrous ridge?
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TEA
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Which opening in the temporal bone serves as a passageway for nerves of hearing and equilibrium?
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Internal Acoustic Meatus
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