Bones and landmarks of skull

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43 Terms

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Frontal Bone

forehead

<p>forehead</p>
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Parietal Bone

behind frontal bone, sides + top of head

<p>behind frontal bone, sides + top of head</p>
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Temporal Bone

lower sides of head by ears

<p>lower sides of head by ears</p>
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Zygomatic process

marking on temporal bone, connects to zygomatic bone (forms bridge)

<p>marking on temporal bone, connects to zygomatic bone (forms bridge)</p>
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External acoustic meatus

marking on temporal bone, canal leading to eardrum

<p>marking on temporal bone, canal leading to eardrum</p>
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styloid process

marking on temporal bone, needle-like projection going downward off the external acoustic meatus

<p>marking on temporal bone, needle-like projection going downward off the external acoustic meatus </p>
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Occipital Bone

bone in the back of the skull

<p>bone in the back of the skull</p>
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Foramen Magnum

marking of occipital bone, large opening in base of occipital that allows the spinal cord to connect to the brain

<p>marking of occipital bone, large opening in base of occipital that allows the spinal cord to connect to the brain</p>
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occipital condyles

marking of the occipital bone, round projections that articulate with the first cervical vertebrae (atlas)

<p>marking of the occipital bone, round projections that articulate with the first cervical vertebrae (atlas) </p>
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Sphenoid Bone

can be seen behind eyes, side of face below the frontal bone

<p>can be seen behind eyes, side of face below the frontal bone </p>
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greater wing

marking of the sphenoid bone, forms part of the eyes orbit

<p>marking of the sphenoid bone, forms part of the eyes orbit </p>
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sella turcica

marking of the sphenoid bone, saddle shape bridge in the middle of region of the bone

<p>marking of the sphenoid bone, saddle shape bridge in the middle of region of the bone</p>
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lesser wings

marking of the sphenoid bone, bat shaped portion

<p>marking of the sphenoid bone, bat shaped portion</p>
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foramen ovale

marking of the sphenoid bone, holes/ openings in bone

<p>marking of the sphenoid bone, holes/ openings in bone </p>
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optic canal

marking of the sphenoid bone, allows optic nerve to pass

<p>marking of the sphenoid bone, allows optic nerve to pass </p>
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superior orbital fissure

marking of the sphenoid bone, transmits the rest of the cranial nerves to eye

<p>marking of the sphenoid bone, transmits the rest of the cranial nerves to eye </p>
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Ethmoid Bone

forms roof of nasal cavity and part of the medial orbit walls

<p>forms roof of nasal cavity and part of the medial orbit walls</p>
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crista galli

marking of the ethmoid bone, vertical projection

<p>marking of the ethmoid bone, vertical projection </p>
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cribriform plates

marking of the ethmoid bone, bony plates lateral to the crista galli

<p>marking of the ethmoid bone, bony plates lateral to the crista galli</p>
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superior and middle nasal conchae

markings of the ethmoid bone, thin scroll like bones that hold the walls and shape of nasal cavity

<p>markings of the ethmoid bone, thin scroll like bones that hold the walls and shape of nasal cavity</p>
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mandible

lower jaw bone (only bone in head that is a joint)

<p>lower jaw bone (only bone in head that is a joint)</p>
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body

marking of the mandible, horizontal portion (forms chin)

<p>marking of the mandible, horizontal portion (forms chin)</p>
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ramus

marking of the mandible, vertical extension of the body on both sides

<p>marking of the mandible, vertical extension of the body on both sides </p>
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alveolar process

marking of the mandible and maxillae, sockets for upper and lower teeth

<p>marking of the mandible and maxillae, sockets for upper and lower teeth</p>
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maxillae

forms upper jaw bone and part of the orbits, all face bones up the mandible join here

<p>forms upper jaw bone and part of the orbits, all face bones up the mandible join here</p>
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palatine bone

forms the hard palate of the mouth, bone behind palatine process

<p>forms the hard palate of the mouth, bone behind palatine process</p>
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palatine process

marking of the maxillae, forms hard palate, roof of mouth

<p>marking of the maxillae, forms hard palate, roof of mouth</p>
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zygomatic bone

cheekbones

<p>cheekbones </p>
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lacrimal bone

bone on innermost of eye

<p>bone on innermost of eye</p>
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nasal bone

bridge of nose

<p>bridge of nose </p>
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vomer bone

nasal septum

<p>nasal septum </p>
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inferior nasal conchae

thin curved bones in nasal cavity

<p>thin curved bones in nasal cavity</p>
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sagittal suture

where the left and right parietal bones meet superiorly

<p>where the left and right parietal bones meet superiorly </p>
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coronal suture

where the parietal bones articulate with the frontal bone

<p>where the parietal bones articulate with the frontal bone </p>
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squamous suture

occurs where each parietal bone meets each temporal bone

<p>occurs where each parietal bone meets each temporal bone</p>
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lambdoid suture

where the parietal bones meet the occipital

<p>where the parietal bones meet the occipital </p>
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mandibular condyle

most distal of the mandibular projections

<p>most distal of the mandibular projections </p>
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mandibular notch

u shaped notch between the mandibular condyle and the coronoid notch

<p>u shaped notch between the mandibular condyle and the coronoid notch </p>
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coronoid process

proximal process of the mandible

<p>proximal process of the mandible </p>
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glabella

middle of the forehead

<p>middle of the forehead </p>
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perpendicular plate

thin vertical bone in between the nostrils, upper portion of the septum

<p>thin vertical bone in between the nostrils, upper portion of the septum </p>
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supraorbital foramen

small holes in skull below the eyebrow area

<p>small holes in skull below the eyebrow area</p>
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infraorbital foramen

small opening in the maxillary bone below the eye socket

<p>small opening in the maxillary bone below the eye socket</p>