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name the parts of the mandible
body, alveolar arch, angle, ramus, coronoid process, condylar process
anterior process at top of ramus, point of muscle attachment, deep to zygomatic process
posterior process at the top of ramus, point of articulation with temporal bon at TMJ
name all the facial bones of the skull
mandible, maxillae, nasal bones, palatine bones, lacrimal bones, zygomatic bones, inferior nasal conchae, vomer
name the parts of the maxillae
zygomatic process, frontal process, palatine process, alveolar process
articulates with the zygomatic bone superiorly and laterally, b/w anterior and posterior surfaces on later aspect of bone
superiorly directed plate ont eh anterior surface, articulates with the frontal bone
horizontal plate directed medially, articulates with the opposite side to form anterior 2/3 or 3/4 of hard palate, fused at midline
desribe the nasal bones
2 small oblong bones, fused at midline (left and right), lie medial to the frontal processes of the maxillae, articulate with frontal bone, maxillae, and other bones of the nose
describe the palatine bones
located at the back of the nasal cavity,
contributes to posterior floor and lateral wall of nasal cavity,
posterior 1/4 of hard palate
floor of orbit
has the posterior nasal spine
name the four processes of the zygomatic bone, and what bones do they attach with?
the process goes with the corrosponding bone
name all the bones of the cranial skeleton
describe the ethmoid bone
very thin bone
articulates with 15 bones
contributes to orbit and nasal cavities
has four major parts
name the 15 bones that articulate with the ethmoid bone
inferior nasal conchae
superior prjection from cribiform plate; triangular process that seperates the cranial hemisphere ( separates the 21/2's of the brain)
comprised of 2 lateral plates that house the superior and medial nasal conchae, form lateral walls of nasal cavity
describe the frontal bone
anterior part of the brain case
vertical plate (forehead) horizontal aspect that contributes to the rood of the orbit and nasal cavity
consists of a vertical plate and contributes to the roof of the orbits and nasal cavities
the midline notch of the frontal bone
and what does it articulate with?
ethmoid notch, articulates with the ethmoid bone
section above the orbits, located where the eye brows are, part of what bone
supraortbital rim, frontal bone
describe the parietal bone
joined at the sagittal suture
forms the rounded roof of cranium
very little muscle attachment
articulates with frontal bone and coronal suture
decribe the occipital bone
allows head movement
forms the inferior and posterior portion of the cranium
where spinal cord leaves the brain and what bone is this located
occipital bone located, FORAMEN MAGNUM
what is lateral to the foreman magnum and what does it does it articulate with?
lateral condyles, articulates with C1
describe the temporal bone
forms lateral base
some sides of the cranium
3 main parts:
portion that lateral, anterior, and superior aspects
articulates with the temporal process of zygomatic bone and partietal bone
describe the sphenoid bone
articulates with all bones of the cranial skeleton
3 of the facial, vomer.palatines, and zygomatics
located at base of skull
anterior to foramen magnum
looks like a bat
four parts: body/lesser wings/greater wings/pterygoid processes
laterally directed plates contribute to superior wall of orbits, part of a cranial bone
lesser wings of sphenoid bone
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