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U of D mercy Anatomy
Joints of the skull
29
Other
Graduate
09/30/2012

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Cards

Term
Sutures are ________ joints?
Definition
fibrous
Term
this is the articulation of the two parietal bones in the median plane of the skull
Definition
sagittal suture
Term
this is the articulation of the parietal bones with the frontal bone
Definition
frontal( coronal) suture
Term
this is the articulation of the parietal bones with the occipital bone
Definition
lambdoid suture
Term
this is the articulation of the parietal and temporal bones
Definition
squamous suture
Term
True or false: There are no ligaments or movements at these joints (sutures of skull) ??
Definition
true
Term
a synovial joint, combined hinge and plane in type
Definition
Temporomandibular joint
Term
Name the two bony surfaces of the TMJ
Definition
mandibular fossa of temporal bone
head(condyloid process) of the mandible
Term
In the TMJ, this is one prominent intraarticular ligament
Definition
articular disc
Term
this is an oval plate of fibrous tissue that sometimes contains patches of fibrocartilage in TMJ
Definition
articular disc
Term
the circumference of the articular disc of TMJ attaches to the ______________
Definition
articular capsule
Term
the articular disc divides the TMJ cavity into two separate compartments. Name the two compartments?
Definition
Superior and inferior compartment
Term
Where is the superior compartment of TMJ joint cavity located?
Definition
between the articular disc and mandibular fossa
Term
Where is the inferior compartment of TMJ joint cavity located?
Definition
between the articular disc and the mandible
Term
Name the two hinge movements of TMJ
Definition
Depression
Elevation
Term
this is a hinge movement, it is inferior movement of the mandible (open mouth)
Definition
depression
Term
this is a hinge movement, it is superior movement of the mandible ( close mouth)
Definition
elevation
Term
The three planar movements of TMJ are?
Definition
Protraction
retraction
lateral movement
Term
this is planar movement of TMJ, it is anterior movement of mandible in a horizontal plane
Definition
protraction
Term
this is planar movement of TMJ, it is posterior movement of the mandible in a horizontal plane
Definition
retraction
Term
this is planar movement of TMJ, it is side to side movement (grinding)
Definition
lateral movement
Term
French word fontanelle means?
Definition
a little fountain
Term
six major unossified, membranous areas between the cranial bones are called?
Definition
fontanelles
Term
This is the largest of the fontanelles located at the junction of the coronal and sagittal sutures. Known in babies as the "soft spot." In adults this lies at the bregma
Definition
Anterior Fontanelle
Term
this triangular fontanelle is located at the junction of the lambdoid and sagittal sutures. In adults this lies at the lambda
Definition
posterior fontanelle
Term
These are small irregular fontanelles located at the junction of the frontal, parietal, sphenoid, and temporal bones.
Definition
anterolateral fontanelles( sphenoid fontanelles)
Term
These are small irregular fontanelles located at the junction of the occipital, parietal, and temporal bones
Definition
Posterolateral fontanelles (mastoid fontanelles)
Term
Anterior fontanelle is used by physicians in determining what 3 things?
Definition
Position of fetal head in utero
development of skull
extent of pathological ICP
Term
What age does the anterior fontanelle become bony?
Definition
2 years
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