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where is the occipital bone?
where is the sphenoid bone?
where is the ethmoid bone?
where is the maxilla?
where is the mandible?
where is the zygomatic bone
where is the nasal bone?
where is the lacrimal bone?
where is the palatine bone?
roof of the mouth
where is the inferior nasal concha?
where is the vomer bone?
what are paranasal sinuses?
frontal, sphenoid, ethmoid, maxillary, reduces weight of skull, lined by a mucous membrane
what are some differences in the fetal skull?
has fontanels(soft spots) to allow skull to mold,
there is rapid growth of brain, smaller amount of cranium
sutures appear with maturity
deciduous teeth(baby teeth)
where is the hyoid bone?
Ushaped, does not articulate with other bones, anchoring for toungue
what is the vertebral column consist of
- 24 total vertebrae + sacrum and coccyx
- 7 cervical, 12 thoracic, 5 lumbar
what is vertebraes shape
flat, rounded body, spinous process posteriorly, transverse process laaterally, vertebral foramen
How many bones? and what is the purpose?
80 bones of head and neck, protects brain, spinal cord, hear/lungs. Your foramen magum is the hole in skull that spinal cord passes through
Where is the frontal bone?
where is the parietal bone?
where is the temporal bone?
what are the specific vertebrae and their function?
C1- articulates with occipital bone
C2- upward projection for rotation of head
C7- long blunt spinous process
T1-T12- articular facets to join with ribs
Sacrum, coccyx- no hole for spinal cord
Thorax bones: sternum
dagger shaped bone in middle of chest, manubrium, body, xiphoid process
Thorax: ribs
true ribs: 1-7
false ribs: 8-12
floating ribs: 11-12
what do the ribs articulate with
the body and transverse proceses of corresponding thoracic vertebrae