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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
The sutures of the skull are classified as_______and allow____movement   show
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show interosseous, endochondrial  
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show notochord  
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show fontanelles  
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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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How many bones form the facial/Visceral skeleton   show
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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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Sulci   show
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show sphenoid(butterfly), ethmoid(little projection), 2 temporal bones(project off wings of butterfly)  
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show frontal, ethmoid, 2 parietal, 2 temporal, occipital, sphenoid  
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frontal bone location   show
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show in superior nasal cavity  
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show lateral superior sides of cranium  
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show posterior base of skull  
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show anterior and middle section of base of skull  
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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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show facial skeleton/ visceral skeleton  
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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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location of lacrimals   show
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location of nasal bones   show
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show cheek bones  
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show curly cue-scrolls inferior aspect nasal cavity  
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2 palatines   show
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show lower jaw  
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show divides nose into two chambers  
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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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show styloid process, temporal  
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show temporal  
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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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which bones form the roof/vortex   show
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show frontal bone  
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which bones form the lateral wall of cranium   show
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show occipital  
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The major 4 sutures of the skull are   show
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show asterion, pterion, frontozygomatico, zygomaticotemporal, frontomaxillaris, zygomatico-maxillaris, frontonasal  
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show the Petrous Ridges  
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show Mesocephalic(caucasian), Bracheycephalic(asian) Dolichocephailc(african)  
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show 15cm, 19cm, 23 cm  
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show 45-47 MSP degrees  
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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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show top of ear attachment  
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show Glabella  
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junction of the nose and upper lip   show
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show Nasion  
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show superciliary arch  
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bump of knowledge   show
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show Gonion(where horizontal portion of mandible ascends vertically)  
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show Mastoid Process  
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Bumpin the center of te chin   show
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show outer canthus  
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show inner canthus  
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show auricle/pinna  
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show EAM external auditory meatus  
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show top of ear attachment  
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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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show Glabellomeatal line  
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there is a __degree difference between the orbitomeatal line(OML) and the Glabellomeatal line   show
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show Interpupillary line ( level of Nasion)  
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Radiographic Baseline_____(we use this the most)Also referred to as_____   show
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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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show 7 degree difference  
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What are the two portions of the frontal bone   show
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show frontal eminences  
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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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opening for nerves and arteries in frontal bone   show
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small pointed process which articulates w/ethmoid to help form a small portion of the Bony Nasal Septum   show
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show Zygomatic proccesses  
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Depressions above the supercilliary arches   show
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show one on either side of the MSP, creating a sinus cavity in the vertical/squamous portion of the frontal bone  
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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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show Ethmoid notch  
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Sponge like, cube shaped bone between two orbits   show
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show Cribiform Plate, Perpendicular Plate, LAteral masses/Labyrnths, Nasal Conchae  
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The perforated portion of Ethmoid for transmission of the Olfactory nerves is called the   show
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The two vertical projections on the Ethmoid are   show
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A superior vertical projection on cribiform which resembles a roosters comb is ___, this is an attachment site for____   show
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On the either side of Cribiform plate, forms the medial walls of the orbit and lateral walls of the nasal cavity   show
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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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Nasal conchaes are collectively called   show
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The purpose of the Turbinates is to   show
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The_____of the_____and the_____ form the bony nasal septum   show
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The widest portion of the skul lies between   show
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show 2 square shaped bones, forms the posterior and and superior roof of the cranium  
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show the sagittal suture  
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show parietal eminence  
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show sagittal border, frontal border, occipital border, squamous border  
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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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show meningeal grooves, meninggeal vessels  
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show depressions for arachnoid granulations near the sagittl suture  
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