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23 Cards in this Set
- Front
- Back
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Define suture
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a jagged line where bones join
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Define Foramen
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a short opening through bone
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Define canal
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long opening through bone
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Define fossa
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A hollow, grooved, or depressed area in a bone
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Define meatus
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External opening of a canal
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Define tuberosity
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large round process of bone
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Define Glabella
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Flattened area between the eyebrows
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Define Fontanelle
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“soft-spot” found in a newborn where the sutures between the frontal and parietal bones have not yet closed; this spot disappears as the child grows and the sutures close
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Where's the foramen located at?
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Opening where the spinal cord passes through, & located in the occipital bone
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Where the Supraorbital foramen located at?
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on the superior margin of the orbit (eye); the supraorbital nerve and artery pass through here
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Where's the Incisive foramen located?
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located in the midline, just behind the maxillary central incisors; opening for the nasopalatine nerve to innervate the hard palate in the maxillary region. Covered by the incisive papillae
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Where's the Mental foramen located?
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located on the facial surface of the left and right between the apices of the first and second mandibular premolars
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What are the portions of the temporal bone & describe them?
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Zygomatic process: extends out to form the zygomatic arch (cheek bones)
Mandibular (glenoid) fossa = where mandible articulates with temporal bone Articular eminence = “V” shaped projection located in front of the glenoid fossa External Auditory Meatus = opening for the outer ear Mastoid Process = rounded prominence of bone Styloid process = extends from the undersurface of the temporal bone |
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What bone articulates with all the bones of the cranium?
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The sphenoid bone
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What is the only movable bone in the skull?
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Mandible
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Describe the appearance of the sphenoid bone
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is made up of a body and paired greater and lesser wings; looks like a bat with a body
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Which bone does not articulate with any others?
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Hyoid Bone
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List the four process of maxilla
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frontal process, zygomaticprocess, alveolar process, and palatine process
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Define joint
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Joining together of two bones
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What is the meniscus?
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known as the articular disc, it's the cushion of a dense, specialized connective tissue that divides the articular space into upper and lower compartments
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Describe Internal Derangement
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Occurs when disc becomes stuck or displaced
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Describe Subluxation
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Mouth can not be closed
Takes place when the condyle is displaced anteriorly over the articular eminence and can not voluntarily return to its normal position Prolonged spasmodic contraction of the muscles of mastication occurs |
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Describe Myofascial Pain Dysfunction (MPD)
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Characterized by muscle soreness
May occur with or without TMJ pathology or dysfunction |
