Unit 5 Flashcards
What makes up the anterior cranial fossa
Frontal bone
Ethmoid
Lesser wing of sphenoid
What makes up the middle cranial fossa
Sphenoid
Temporal
Parietal
What makes up the posterior cranial fossa
Primarily by the occipital bone with
Contributions from the temporal and parietal bones
Superior facets of cervical spine face
Back, Up, medial,
Directions of facets of atlas
Upwards (like little cups a ball can fit into)
Anterior longitudinal ligament becomes ____ at foramen magnum
Anterior Atlanto-occipito ligament
Posterior longitudinal ligament end where and becomes what
Ends at Atlantoaxial joint and becomes the tectorial membrane
What dictates Fryettes mechanics in the cervical spine
Uncovertebral joints (joints of Luschka)
Occipitoatlanto joint has what type of motion mechanics
Fryette type 1
Atlantoaxial joint has what type of motion mechanics
Fryette Type II
What bones meet at the Pterion
Parietal
Frontal
Sphenoid
Temporal
What is the vertex
Most superior part of skull found between the two parietal bones on the sagittal suture
Paranasal sinuses are present in what bones
Frontal
Sphenoid
Ethmoid
Maxillae
Transition zones in the spine
Occiput on atlas
Atlas on axis
Axis on C3
C7 on T1
T12 on L1
L5 on S1
What kind of joint is the hyoid bone
synsarchosis : held 100% by muscle, can be considered a sesamoid bone