C1 & C2 Flashcards
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*Transverse Foramina allows for the passage of what artery?
Vertebral Artery
*The L & R vertebral artery meet to form what artery?
Basilar Artery of the brain
*What are the 3 distinctive cervical vertebrate?
C1, C2, & C7
Superior Articular Facet of ____ articulates with ______
C1, occipital bone
What structure of C1 connects to C2?
Inferior Articular Facet
C1 has a special convexity to receive a superiorly projecting part of C2 called the…
Dens epistrophei or odontoid process (remember that is kind of looks like a fat tooth)
The dens of C2 articulates with what part of C1?
Fovea for the dens of C1
The dens of C2 sits (posteriorly/anteriorly)?
posteriorly
C1 and C2 allow for what kind of movement?
The head to shake “no”
True or False
C1 has a centrum or body
False
Instead it has an anterior and posterior arch
Elongated extension located on the superior surface of C2 that projects into C1
Dens Epistrophei (Odontoid process)
Articulate with the inferior articular facets of C1
Superior articular facet of C2
*Passageway for vertebral arteries on their way to the cranial cavity
Transverse foramen
C2 articulate with the superior articular facts of C3
Inferior Articular Facts of C2
C2 articulate with C1 ____ and C3 ____
superiorly and inferiorly