Lecture 12 Flashcards
Skeletal tissue form ____
Bones
There are ______ bones in the skeleton
206
Axial skeleton includes
Skull, hyoid, spine, thorax
Appendicular skeleton structures
Upper and lower extremities, shoulder girdle, hip girdle
Skull is made of ___ bones
28
Most the bones in the skull are catagorized as
Cranial or facial bones
The 8 cranial boens are
Frontal Parietal (2) Temporal (2) Occipital (1) sphenoid (1) Ethmoid (1)
The occipital bone froms a moveable joint with
C1
14 facial bones
Maxilla (2) Mandible Zygomatic (2) Nasal (2) Lacrimal (2) Palantine (2) Inferior nasal conchae (2) Vomer (1)
THE MANDIBLE IS ________ AND FORMS ______
The largest/strongest facial bone
And forms only moveable joint of the skull with the temporal bone
What does the zygomatic do?
Shapes the cheeks
Lacrimal has grooves for =
The tear ducts
6 EAR BONES
Malleus/hammer (2)
Incus/anvil (2)
Staples/stirrup (2)
Spaces between the facial bones make up the
Sinuses
The fetal skull has 4 soft spots called
Fontanels
Fontanels allow the skull to be
Flexible during birth and allow for rapid growth of the brain