Axial Skeleton - Skull and Hyoid Bone

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Last updated 6:07 PM on 10/16/26
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30 Terms

1
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Frontal

Cranial

<p>Cranial</p>
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Parietal

Cranial

<p>Cranial</p>
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Temporal

Cranial

contains external acoustic (auditory) meatus

<p>Cranial</p><p><span style="font-family: Calibri, sans-serif; line-height: 107%;">contains external acoustic (auditory) meatus</span></p>
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Occipital

Cranial

contains foramen magnum

(large foramen allows spinal cord to pass out of skull and into vertebral column)

<p>Cranial</p><p><span>contains </span>foramen magnum</p><p><span>(large foramen allows spinal cord to pass out of skull and into vertebral column)</span></p>
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Sphenoid

Cranial

<p>Cranial</p>
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Ethmoid

Cranial

superior portion of the nasal septum

<p>Cranial</p><p><span>superior portion of the nasal septum</span></p>
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Maxilla

Facial

<p>Facial</p>
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Zygomatic

Facial

<p>Facial</p>
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Lacrimal

Facial

<p>Facial</p>
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Nasal

Facial

<p>Facial</p>
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Inferior nasal conchae

Facial

<p>Facial</p>
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Palatine

Facial

<p>Facial</p>
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Mandiable

Facial

<p>Facial</p>
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Vomer

Facial

inferior portion of the nasal septum

<p>Facial</p><p><span>inferior portion of the nasal septum</span></p>
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Sagittal

Suture

<p>Suture</p>
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Squamous

Suture

<p>Suture</p>
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Coronal

Suture

<p>Suture</p>
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Lambdoid

Suture

<p>Suture</p>
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Nasal Septum

bony structure that divides the nasal cavity

Ethmoid Bone(Cranial) and Vomer(Facial)

<p><span>bony structure that divides the nasal cavity</span></p><p><span>Ethmoid Bone(Cranial) and Vomer(Facial)</span></p>
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Foramen Magnum

Within Occipital Bone

Large Foramen

allows spinal cord to pass out of skull and into vertebral column.

<p>Within Occipital Bone</p><p>Large Foramen</p><p><span>allows spinal cord to pass out of skull and into vertebral column.</span></p>
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external acoustic (auditory) meatus

Temporal Bone contains

S-shaped tubular passage

carries sound waves from outer ear (auricle) to eardrum (tympanic membrane)

<p>Temporal Bone contains</p><p>S-shaped tubular passage </p><p>carries sound waves from outer ear (auricle) to eardrum (tympanic membrane)</p>
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Paranasal Sinuses

air-filled cavities (hollow spaces) within five bones of the skull

(frontal, sphenoid, ethmoid and both maxillary bones)

lined by mucous membranes

connect to nasal cavity

echo chambers for resonation during speech production

help make skull lighter. 

<p><span>air-filled cavities (hollow spaces) within five bones of the skull </span></p><p><span>(frontal, sphenoid, ethmoid and both maxillary bones)</span></p><p>lined by mucous membranes</p><p>connect to nasal cavity</p><p><span>echo chambers for resonation during speech production</span></p><p><span>help make skull lighter.&nbsp;</span></p>
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Frontal Sinuses

Located within frontal bone

(in the forehead, above the eyes)

<p>Located within frontal bone </p><p>(in the forehead, above the eyes)</p>
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Maxillary Sinuses

Located within maxilla (upper jaw bone)

(in the cheek area, below the eyes).

<p>Located within maxilla (upper jaw bone) </p><p>(in the cheek area, below the eyes).</p>
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Ethmoid Sinuses

Located within ethmoid bone

(between the eyes and the bridge of the nose)

<p>Located within ethmoid bone </p><p>(between the eyes and the bridge of the nose)</p>
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Sphenoid Sinuses

Located within sphenoid bone

(deep inside the skull, behind the nose and eyes)

<p>Located within sphenoid bone </p><p>(deep inside the skull, behind the nose and eyes)</p>
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Hyoid Bone

anchoring/attachment point for muscles of tongue and throat, especially those associated with swallowing

not articulating with any other bones

attached via ligaments and tendons above larynx (voice box or "Adam's apple") and below mandible


<p>anchoring/attachment point for muscles of tongue and throat, especially those associated with swallowing</p><p>not articulating with any other bones</p><p>attached via ligaments and tendons above larynx (voice box or "Adam's apple") and below mandible</p><p></p>
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Fetal Skull Sutures

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Fontanelle

membrane-covered gap between bones of infant's skull

allows head to compress during birth

expands rapidly as brain grows

<p>membrane-covered gap between bones of infant's skull </p><p>allows head to compress during birth</p><p>expands rapidly as brain grows</p>
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Frontal

Suture

<p>Suture</p>