Skull anatomy lecture 1
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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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Created by:
alymadi
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