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31 Cards in this Set
- Front
- Back
Overview of the skull
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22 irregular shaped bones
Sagittal and coronal sutures Cranial and facial skeletons, orbits, nasal cavity, zygomatic arch |
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Bones of the cranial skeleton
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Frontal, parietal, temporal, occipitial, sphenoid, ethmoid,
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Frontal bone
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Forms forehead and anterior pat of the top of cranium
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Frontal Bone Landmarks
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Supraoribital portion, Zygomatic processes, coronal suture
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What does the frontal bone articulate with?
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Maxilla, nasal bones, lacrimal bones, zygomatic bones, parietal bones, ethmoid, sphenoid
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Parietal bones
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Paired, topside of cranium
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Landmarks of the parietal bones
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Sagittal suture, coronal suture, squamous suture, lambdoidal suture, wormian bones
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What does the parietal bones articulate with?
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Opposite parietal bone, occipital, 1 temporal bone, frontal bone, sphenoid bone
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Temporal bones
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Lower side of cranium and part of the floor
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Landmarks of the temporal bones
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Squamous portion, Zygomatic process, styloid process, petrous portion, mastoid process
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What do the temporal bones articulate with?
DOES NOT ARTICULATE WITH FRONTAL BONE (Each one) |
Occipital , 1 patietal, sphenoid, mandible, 1 zygomatic
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Occipital bone
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Posterior braincase
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Landmarks of the occipital bone
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Foramen magnum, condyles, basilar portion
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What does the occipital bone articulate with
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Parietal bone,temporal bone, sphenoid, atlas(1st vertebra)
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Sphenoid bone
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In center of skull, keystone of cranial floor, bat wing shaped
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Landmarks of the sphenoid bone
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Greater wings, lesser wings, pterygoid processes, sella turcica, hamulus processes, optic foramen, superior oribital fissure, foramen rotundum, foramen ovale, foramen spinosum
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What does the sphenoid bone articulate with?
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Frontal, parietal, temporal, occipital bones, ethmoid, palantine bones, vomer, zygomatic bones
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Ethmoid bone
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Forms anterior cranial base, lies anterior to sphenoid and posterior to nasal bones
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Landmarks of the ethmoid bone
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Crista gali, perpendicular plate, nasal conchae, cribiform plate
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What does the ethmoid bone articulate with
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frontal,, vomer, sphenoid, nasal bones, maxilla bones, lacrimal bones, palantine bones, inferior conchae
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Mandible landmarks
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Body, ramus, mental symphysis, mental protuberance, Mental spines, mylohoid line, angle of the mandibular, coronoid process, condylar process, mandibular notch
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What does the mandible articulate with
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temporal bone
ONLY MOVING JOINT OF THE SKULL |
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Maxilla bones
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Anterior roof of the mouth, anterior floor of the nose, forms upper jaw
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Landmarks of the Maxilla bones
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Zygomatic process, frontal process, alveolar process, palantine process, anterior nasal spine
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What does each maxilla bone articulate with
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Opposite maxilla, frontal bone, ethmoid bone, 1 nasal bone, 1 lacrimal bone, 1 zygomatic, 1 palantine, 1 inferior nasal concha, vomer bone
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Palantine bones
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Posterior bony roof of the mouth
Posterior floor of the nose |
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Landmarks of the palantine bones
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Serrated anterior border, smooth posterior border, posterior nasal spine, horizontal plate
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What does each palantine bone articulate with
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Opposite palantine bone, sphenoid, ethmoid, 1 maxilla, 1 inferior concha, vomer bone
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Zygomatic bones
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Makes up the cheekbone
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Landmarks of the zygomatic bones
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Temporal process, maxillary process, infraorbital margin, frontal process
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What does each zygomatic bone articulate with
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1 temporal bone, frontal, sphenoid, 1 maillary
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