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skull anatomy 1

skull anatomy set 1 for comp

QuestionAnswer
What passes through the foramen magnum? inferior medulla oblongata
How do the occipital condyles sit and articulate? they slope anteriorly to articulate with the atlas
Major anatomy of the temporal bones: squamous and tympanic portions, styloid process, zygomatic process, mastoid process.
What form the TMJ? the mandibular fossa and the condyle of the mandible
The zygomatic process of the temporal bone articulates with this to form the: the temporal process of the zygomatic bone to form the zygomatic arch
Lambda junction of the lambdoidal and sagittal sutures
Vertex highest point of the head
Inion EOP – external occipital protuberance
What shape is the cranium? oval, wider posteriorly
Glabella the smooth elevation between the superciliarry arches (between the eyebrows)
The frontonasal suture is where? at the junction of the frontal squama and nasal bones
Nasion midpoint of the frontonasal suture (bridge of the nose)
Orbital plates the horizontal portion of the frontal bone that forms the orbital roofs
Cribiform plate the horizontal portion of the ethmoid
Crista galli a thick conical process that projects superiorly from the anterior midline of the ethmoid bone
Perpendicular plate vertical portion of the ethmoid bone forming the superior bony septum
Dorsum sellae posterior boundry of the sella turcica
Tuberculum sellae anterior boundary of the sella turcica
Posterior clinoid process project anteriorly from the dorsum sellae
Anterior clinoid process project posteriorly from the dorsum sellae
Petrous portion is found on what bone? temporal
Petrous portion petrous pyramids, thickest densest bone in the cranium
Petrous ridge the upper border of the petrous portion
Created by: annaluz87