Skull Facial Bones
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| show | Cranial bones (8) & Facial bones (14)
Total= 22
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| What are the 2 divisions of the Cranial bones? | show 🗑
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| show | Frontal; Occipital; R. & L. Parietal
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| Name the 4 Floor Cranial bones: | show 🗑
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| What is the composition of the Calvarium Bones: | show 🗑
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| What are the 3 regions of the Floor of the Skull? How are they divided? | show 🗑
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| show | The Petrous Ridges on the Temporal Bone
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| Name the 14 Facial Bones: | show 🗑
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| Do the 2 Nasal bones articulate with the Lacrimal bones? | show 🗑
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| show | The 2 Maxilla bones
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| show | The R. & L. Zygomatic bones (Lateral to the Maxilla & part of the lateral orbit; has 3 processes)
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| show | The nasal conchae warm/cool the air--look like scrolls
The Inferior Nasal Conchae are considered facial bones (while the Mid & Superior are considered Cranial--part of Spheniod bone)
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| show | Just anterior to the soft palate ("L" shaped)
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| show | Meets with the Maxilla in the front & the Ethmoid Perpendicular Plate in the back
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| show | Structural=Fibrous (immoveable)
Functional=Synarthroidal
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| What are sutures? | show 🗑
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| What are the 5 main sutures of the skull? | show 🗑
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| What are the 6 Sutural Junctions? | show 🗑
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| What are Fontanels? How many? | show 🗑
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| show | 12 years old
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| show | age 1-5
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| show | Anterior (Bregma)
Posterior (Lambda)
2 Mastoid (Asterion)
2 Sphenoidal (Pterion)
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| What are the 3 temporary sutures in infants visible on radiographs? | show 🗑
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| show | Dehydration or drop in BP
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| What does it mean if an infant's fontanels are bulging? | show 🗑
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| What is Craniostosis ("Cloverleaf")? | show 🗑
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| What is Acephalus? | show 🗑
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| What is Dicephalus or Bicephalus? | show 🗑
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| What is Macrocephalus? | show 🗑
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| show | Water in the head.
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| show | Small head--can be caused by craniostosis.
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| show | Deviation in the palatine bone (no bone).
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| show | Extends from the anterior frontal bone to the lesser wings of the sphenoid.
Houses the frontal lobes of cerebrum
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| show | Extends from the lesser wings of the sphenoid to the apices of the petrous ridges/pyramids (part of temporal bone).
It houses the temporal lobes (lots of foramen, cortex, pituatary gland)
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| Describe the Posterior Cranial Fossa & what it contains: | show 🗑
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| show | Frontal (anterior); 2 Lateral; Posterior (occipital); Vertex (crown--from top looking down); Basal (Inferior surface--looking up from underneath)
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| What is morphology? | show 🗑
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| show | Mesocephalic:
Petrous Pyramids project anteriorly & medially 47° from MSP
(Petrous pyramids=thickest portion of skull --on temporal bone)
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| show | Petrous pyramids project anteriorly & medially 54° from MSP (Football head/wide-side to side) (+7 of typical)
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| Describe the Dolichocephalic skull: | show 🗑
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| Why must skull morphology be considered in positioning? | show 🗑
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| Define Vomer: | show 🗑
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| show | Tear
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| show | Tooth socket (or air sac in lung)
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| When discussing a bone, what does sagittal refer to? | show 🗑
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| show | 1. To provide structure, shape, & support for the face. 2. Form protective housing for upper ends of Respiratory & Digestive tracts.
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| Which skull suture is a pair? | show 🗑
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| Which 2 sutural junctions are pairs? | show 🗑
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