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Skull anatomy lecture 1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show synarthroidal,no  
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show interosseous, endochondrial  
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Bones of the skull begin as rod-like groups of cells called   show
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this allows the head to overlap during child birth   show
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fontanellesare replaced as bone and eventually form_______   show
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The two primary fontanelles are____&_____   show
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show 8 bones  
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show 14 bones  
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show frontanelle bulge from increased fluid  
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4 bones that are classified as flat bones   show
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The three layers that form the flat bones are   show
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middle layer of flat bone   show
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show inner surface of flat bone forming the cranium, narrow branch-like grooves  
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show large channels or ditches which lodge blood vessels  
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Irregular Bones cranial bones include   show
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show frontal, ethmoid, 2 parietal, 2 temporal, occipital, sphenoid  
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show forehead  
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show in superior nasal cavity  
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show lateral superior sides of cranium  
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occipital bone location   show
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sphenoid bone location   show
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Which 4 bones form the base of the skull   show
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show brain case/ cranial cavity/ calvarian/ cranium  
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what are all the names for the facial skeleton   show
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show 2 maxillary, 2 lacrimal, 2 nasal, 2 zygomatic, 2 inferior nasal conache, 2 palatines, manidible and vomer  
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location of 2 maxillary bones   show
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show inside of eye/tear duct  
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location of nasal bones   show
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show cheek bones  
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2 inferior nasal conaches   show
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2 palatines   show
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show lower jaw  
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vomer location   show
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wherever maxilla goes....______goes. they are the only bones that form the oro,naso,orbital cavity   show
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hyoid bone extends off from______ of the _____bone   show
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The MIDDLE ear, the auditory ossicles which is part of the_____bone   show
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show malleus(hammer), Incus(anvil), Stapes(stirrup)  
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show frontal/anterior, lateral walls, roof/vortex, posterior wall, base/floor  
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show frontal and parital bones  
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anterior wall/frontal wall formed by   show
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show parital and temporal  
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what bone forms the posterior wall   show
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The major 4 sutures of the skull are   show
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The 7 minor sutures include   show
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What is the densest structure of the skull and this is the largest fifference in skull shape/type   show
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What are the three general skull classifications   show
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show 15cm, 19cm, 23 cm  
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The angle of the Petrous Ridges on Mesocephailc   show
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Describe the Brachycephalic and angle   show
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show narrow, internal structure lower, denser skull so small increase in exp. factors. 40 degrees MSP  
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The petrous ridges lie at the level of   show
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show Glabella  
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show Acanthion  
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bridge of nose, where nasal bone articulates with the frontal bone   show
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ridge of bone covered by the eyebrow   show
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bump of knowledge   show
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Angle of the Mandible   show
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Bump on the temporal bone posterior to EAM   show
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Bumpin the center of te chin   show
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show outer canthus  
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medial junction of the eyelids   show
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cartiliginous flap of ear   show
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external opening to the ear   show
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TEA   show
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show tragus  
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Superior rim of orbit   show
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Inferior rim of orbit   show
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show Acanthiomeatal line  
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line connecting Glabella and EAM   show
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show 8 degree, know cuz some patients cant tip their head down  
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Line connecting the pupils of the eye   show
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show Infraorbitalmeatal line (IOML) Reids Baseline  
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Line form the outer canthus of the eye to the EAM___also referred to as ____also as_____   show
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there is a __degree difference between the orbitomeatal line and infraorbitomeatal line   show
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show Squamous/vertical portion:forehead Horizontal:roof of the orbits  
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Two rounded elevations on external bone on either side of MSP   show
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show supercilliary arch  
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ridge of bone that forms the superior rim of orbits   show
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show supraorbital notch/foramen  
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show Nsal Spine  
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Small lateral processes at outer rim of superior orbit which articulate w/ the Zygoma   show
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show supraorbital groove  
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Frontal Sinuses are located   show
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Thin plates of bone which form the superior/roof of each orbit of the frotal bone   show
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The space between the Orbital Plates of the Frontal Bone is called the   show
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Sponge like, cube shaped bone between two orbits   show
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Four portions of Ethmoid are   show
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show Cribiform Plate  
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The two vertical projections on the Ethmoid are   show
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show Crista Galli, Flax Cerebri(fold of dura mater)  
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show Lateral masses/labyrinths  
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show Lateral Masses/Labyrinths  
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Scroll like processes on the walls of the lateral masses   show
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show Turbinates  
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show warm/filter external air  
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show perpendicular plate, ethmoid, vomer  
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The widest portion of the skul lies between   show
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Parietal Bones   show
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The two parietal bones join together to form   show
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Rounded bumps on lateral aspect of each parietal bone   show
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List the four borders of the parietal bones   show
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show Bregma-Frontal Angle(sag meets coronal suture), Lambda-Occipital Angle(sag meets lambdoidal suture), Mastoid Angle(parietals meet mastoid portion of temp. bone), Sphenoid Angle(parietals meet greater wing of sphenoid)  
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Inner surface of parietal bone is concave and has small grooves called____which are for_____   show
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show depressions for arachnoid granulations near the sagittl suture  
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