Term
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Definition
| The mandibular fossa is also known as the ____ fossa and the ____ fossa. |
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Term
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Definition
| The disk of the TMJ and the articular surface of the mandible and temporal bone are lines with ____ ____ CT. |
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Term
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Definition
| ___ comes with age in the disk of the TMJ, resulting in fibrocartilage. |
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Term
| central thinner than ant/post. Post thicker than ant. |
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Definition
| The central portion of the articular disk is ____ than the anterior and posterior. The posterior is ____ than the anterior. |
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Term
| True, but not in the center of it. |
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Definition
| T/F: The articular disk is vasularized. |
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Term
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Definition
| - water tight, surrounds entire TMJ, contains synovial fluid |
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Term
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Definition
| The capsule is reinforced by the ___ ___, also known as the temporomandibular ligament. |
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Term
| zygomatic tubercle of the temporal bone --> lateral and posterior neck of the mandible |
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Definition
| The fibers of the lateral/temporomandibular ligament course inferoposteriorly from the ___ ___ of the temporal bone to the ___ and ___ neck of the mandible. |
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Term
| temporomandibular/lateral ligament |
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Definition
| - resist extensive rotational movement in opening of the mouth, causing the mandible to move translationally in order to achieve widest opening |
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Term
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Definition
| - smaller counterpart to the lateral ligament |
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Term
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Definition
| - considered the more important between the lateral and medial ligaments |
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Term
| sphenomandibular ligament |
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Definition
| The ___ ____ extends from the spine of the sphenoid bone, between the lateral and medial ligaments, to the lingula of the mandible. |
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Term
| Stylomandibular and sphenomandibular |
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Definition
| The ___ ligament and the ____ ligament are non-capsular. |
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Term
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Definition
| T/F: The lateral/tempromandibular ligament is a caspular ligament. |
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Term
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Definition
| This ligament attaches at the full length of the styloid process and fans out to attach the posterior surface of the angle of the mandible. |
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Term
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Definition
| This ligament separates the parotid and submandibular glands and has very little function involving the TMJ. |
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Term
| mandible and temporal bone |
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Definition
| The TMJ is the articulation between the ___ and the ____ ___. |
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Term
| articular tubercle/eminence and mandibular fossa/articular fossa |
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Definition
| Articular surfaces on the temporal bone are the convex ____ ____ and the concave ___ ___. |
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Term
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Definition
| The articular surface of the mandible is the posterior superior projection called the ____ of the mandible. |
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Term
| hyaline cartilage, fibrocartilage |
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Definition
| Although most joints are covered by ____ ____ the TMJ is covered by _____. |
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Term
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Definition
| This part of the joint is in the lower space between the condyle and the disk. |
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Term
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Definition
| This part of the joint is in the upper space, between the temporal bone and the disk. |
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Term
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Definition
| Behind the TMJ disk is a bilaminar zone called the ____ ___. |
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Term
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Definition
| The ___-___ ____ keeps the retrodiskal tissue highly vascularized and richly innervated. |
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Term
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Definition
| This muscle's origin is the inferior edge of the zygomatic arch and inserts along the entire lateral surface of the ramus. |
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Term
| inferior edge of the zygomatic arch and the lateral surface of the ramus |
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Definition
| The masseter muscle's origin is the __________ and the insertion is the __________. |
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Term
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Definition
| This muscle's origin is the side of the head and temporal fascia and its insertion is the coronoid process and coronoid notch. |
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Term
| side of head and temporal fascia, coronoid process and coronoid notch |
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Definition
| The temporalis muscle's origin is the ____ and ____ and its insertion is the ____ and ____. |
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Term
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Definition
| This muscle's origin is the medial surface of the lateral pterygoid plate and its insertion is rough water. |
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Term
| medial surface of the lateral pterygoid plate and rough water |
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Definition
| The medial pterygoid muscle's origin is the _______ and its insertion is ____. |
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Term
| lateral pterygoid (superior head) |
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Definition
| This muscle's origin is the base of the pterygoid process of the sphenoid bone and its insertion is the disk. |
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Term
| base of the pterygoid process of the sphenoid bone and the disk |
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Definition
| The lateral pterygoid (superior head)'s origin is _____ and its insertion is the ____. |
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Term
| lateral pterygoid (inferior head) |
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Definition
| This muscle's origin is the lateral surface of the lateral pterygoid plate and its insertion is the pterygoid fovea of the mandible. |
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Term
| lateral surface of the lateral pterygoid plate and pterygoid fovea of the mandible |
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Definition
| The lateral pterygoid (inferior head)'s origin is the _____ and its insertion is the _____. |
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Term
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Definition
| Neurovascular supply of muscles of mastication include branches of the ____ artery and branches of the ____ artery. |
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Term
| maxillary artery, masseteric and auriculotemporal nerve |
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Definition
| Neurovascular supply of the TMJ includes branches of the ____ artery and branches of the ____ and ____ nerve. |
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Term
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Definition
| This muscle pulls the disk anteriorly. |
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Term
| elastic fibers pull it when lateral pterygoid muscle relaxes |
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Definition
| This pulls the disk posteriorly. |
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Term
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Definition
| ____ is when the condyle of the mandible becomes dislocated and rests anterior to the eminence. |
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Term
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Definition
| The lateral pterygoid and medial pterygoid muscles create this force. |
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Term
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Definition
| The posterior fibers of temporalis, deep part of masseter, the geniohyoid and the digastric create this force. |
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Term
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Definition
| Temporalis, masster and medial pterygoid create this force. |
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Term
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Definition
| Gravity, digastric, geniohyoid, mylohyoid and lateral pterygoid create this force. |
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