Week1 Flashcards
How many bones are in the human skull
22
Name the extra bones in the skull
sutural, wormian
What bones are formed by stress
seasmoid
Formamina (definition)
hole allowing passage for nerves and blood vessels
Where do the facial bones sit
anteriorly
Cranial bones function
enclose the brain
Foramen Magnum
large hole for spinal cord
Anterior fossa harbours
frontal lobes
Middle fossa harbours
temporal lobes
Posterior fossa harbours
cerebellum
lower jaw
mandible
Frontal and parietal bones join
coronal suture
Parietal bones join
sagittal suture
Temporal and parietal bone join
squamous suture
parietal and occipital bone join
lamdoid suture
What are suture
rigid fibrous joints
Name the paranasal sinuses
frontal, ethmoid, sphenoid and maxillary
Function of osteometric points
diagnose sex of skull
Total number of teeth per quadrant
8
upper canines
broad
square
one point
pre molars
2 cuspids
fissures between cusps
molars
4 cuspids
small distal cuspid
only molar with 5 cuspids
6th lower molar
lower molar distinctive structure
curved buccal edge and straight lingual edge for tongue