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Ch. 12 Skull & Cranial Bones
The smooth area between the eyebrows just above the nose
Corresponds to the highest level of the facial bones
Forms the roof and walls of the cranium.
Superior borders of each orbit
opening above each orbit allowing blood vessels and nerves to pass
two round unmargined prominences at the upper part of the forehead
Midline gap between orbital plates
each parietal bone articulates with how many bones
the frontal bone articulates with how many bones
each temporal bone articulates with how many bones
the ethmoid articulates with how many cranial bones
the sphenoid bone articulates with how many cranial bones
the occipital bone articulates with how many bones
The widest part of the skull is found between these eminences
forms the inferoposterior portion of the skullcap
external protuberance on the occipital bone
the large opening at the base of the cranium through which the spinal cord passes
rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra
articulation between the atlas and the occipital bone of the skull
cranial bones that house the organs for hearing and balance
cheekbones are made from this bony structure
external end of ear canal
process of the temporal bone behind the ear at the base of the skull
the hard dense bony process of temporal bone that houses middle ear structures
external landmark that corresponds to the level of the petrous ridge.
this cranial bone forms the anchor for the skull
houses the pituitary gland (hypophysis cerebri)
forms a base of support for the pons
anterior clinoid processes
the processes that extend from the lesser wings
A transverse groove that crosses the front of the sella turcica
hooklike process on the inferior medial plates of the sphenoid bone.
The posterior wall of the sella turcica, a large ridge of bone projecting upward and forward.
the horizontal plate of the ethmoid bone separating the cranial cavity from the nasal cavity.
superior projection in the middle of the cribriform plate of the ethmoid bone
inferior projection of the ethmoid that forms the superior part of the nasal septum
superior and middle nasal conchae
also known as turbinates
large cavity in frontal bone
another name for the articulations of the cranial bones
the sutures are this type of joint
intersection of coronal and sagittal sutures
the junction of the sagittal and lamboid sutures of the skull
junction of frontal, parietal, temporal, and greater wing sphenoid bones
Where the lambdoid, parieto-mastiod, and occipito-mastoid sutures meet.
Gaps between a baby's skull that slowly close up during the first 18 months of life
Major connective fibrous tissue present at birth, where the squamous and lambdoid sutures meet
Major connective fibrous tissue present at birth, where the squamous and coronal sutures meet
Major connective fibrous tissue present at birth, where the sagittal and coronal sutures meet
Major connective fibrous tissue present at birth, where the sagittal and lamdoidal sutures meet
tiny irregularly shaped bones that appear within sutures
the mass of bone that contains the nasal concha