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13241850073How Many Bones Does Axial Consist Of?800
13241858979What are the 3 major regions of the Axial SkeletonSkull, Vertebral column, Thoracic cage1
13241867532appendicular skeletonbones of the limbs and girdles2
13241873414SkullMost complex bony structure in body formed3
13241882083What two sets of bones is the skull made of?Cranial and Facial bones4
13241890420Cranial bonesenclose the brain in the cranial cavity, provide sites of attachment for head and neck muscles5
13241896539Facial boneFramework of face, contain cavities for sight,taste, and smell6
13241910608Joints are also called?Sutures7
13241916505Cranial is composed of how many bones?88
13241928977coronal suturethe suture between the parietal and frontal bones of the skull9
13241935153Sagittal suturebetween right and left parietal bones10
13241937264lambdoid suturebetween parietal bones and occipital bone11
13241943061Squamous suturebetween parietal and temporal bones on each side of skull12
13241950866formamen magnum"Large hole" through which brain connects with spinal cord13
13241961384What are the temporal three major regionsSquamous, Tympanic, Petrous14
13241968945mastoiditiscan develop if a middle ear infection spreads into mastoid process area15
13241976545mastoid air cellsmastoid process contains cavities (sinuses) called16
13241984959sella turcicaProminence area enclosing the pituitary gland17
13241995328sutural bonestiny irregularly shaped bones that appear within sutures18
13242002863wormian bonesanother name for sutural bones19
13242009284How many bones does facial Skeleton have?1420
13242014172Mandible and vomerWhat are the only two facial bones that are unpaired?21
13242017252MandibleLargest and strongest bone of the face22
13242031965Hyoid boneNot bone of skull Does not articulate directly with another bone Movable base for tongue Site of attachment for muscles of swallowing and speech23
13242037250OrbitsCavities that encase eyes and lacrimal glands Sites of attachment for eye muscles Formed by parts of seven bones Frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid24
13242048972How many irregular bones are they? And what are they called26, vertebrae25
13242055271cervical vertebraeC1-C726
13242061870thoracic vertebraeT1-T1227
13242064074Lumbar vertebraeL1-L528
13242067670Sacrum VertebraeS1-S5 l one bone, formed from fusion of several bones, articulates with hip29
13242076545Coccyx4 fused vertebrae that form terminus of column "tailbone"30
13242088489nucleus pulposus of intervertebral discInner gelatinous nucleus "Dr.Scholl's". Gives disc it's elasticity and compressibility31
13242099208annulus fibrosus of intervertebral discOuter collar composed of 'Collagen' and 'Fibrocartilage'. Limits expansion of nucleus and purposes when compressed32
13242113846What are the two parts of the intervertebral disc?Nucleus pulposus and anulus fibrosus33
13242120381intervertebral discsCushionlike pad sandwiched between vertebrae that act as shock absorbers34
13242128783Herniated discruptured anulus fibrosus, resulting in protrusion of nucleus pulposus35
13242144344Scoliosisabnormal lateral rotation of spine, most often in thoracic region, which may lead to breathing difficulties36
13242151687Kyphosis (hunchback)abnormal dorsal thoracic curvature common in people with osteoporosis, tuberculosis of spine, rickets, or osteomalacia37
13242154636Lordosis (swayback)accentuated lumbar curvature that can result from disease but is also seen in men with pot bellies and in pregnant women38
13242163581True ribs1-7 attach directly to sternum by individual costal cartilages39
13242168719False ribs8-10 attach indirectly to sternum by joining costal cartilage of rib above40
13242179971Floating ribs11 and 12 no attachment to sternum41
13242186824Sternumbreastbone42
13242187125Claviclecollar bone43
13242189132Shoulder bladescapula44
13242192900Humerusupper arm bone45
13242192978forearmlower part of arm46
13242202016Wrist bonecarpal47
13242204624Thigh bonefemur48
13242207007anklestalus49
13242236090Feettarsals, metatarsals, phalanges50
13242244374lateral longitudinal archlow curve that elevates lateral part of foot51
13242246476medial longitudinal archarch curves upwards52
13242250879transverse arch of footruns obliquely from one side of the foot to the other53
13242258718What are skull bones connected byFontanelles54
13242260940Fontanelles-unossified remnants of fibrous membranes -ease birth and allow brain growth55
13242267749What are the four fontanellesanterior, posterior, mastoid, sphenoid56
13242272531Colles fractureBreak in distal end of radius. Break falls with outstretched hands57
13242278524congenital defectsdefects present at birth58
13242280290Cleft palatethe failure of the palate to close during the early development of the fetus59
13242286059Craniosynostosisthe premature fusing of the skull bones60
13242295997Joints are also calledarticulations61
13242300161What are the two classification of jointsfunctional and structural62
13242300162FunctionalBased of joint mobility63
13242305272StructuralBased on what material binds joint and type of cavity64
13242314820Synarthrosesimmovable joints65
13242317002Amphiarthrosesslightly movable joints66
13242321741Diarthrosesfreely movable joints67
13242325487Fibrous jointsBones joined by dense fibrous connective tissue No joint cavity Most are synarthrotic (immovable) Example: Sutures, Syndesmoses68
13242337386Suturesrigid, interlocking joints of skull Synarthrotic (immovable) Allows for growth during youth69
13242352271Syndesmosesbones connected by ligaments, bands of fibrous tissue. Movement varies Example: interosseous membrane connecting radius and ulna70
13242364487GonphosesPeg in socket joint Example are the teeth in alveolar sockets Fibrous connection is the Periodontal Ligament (holds tooth in socket)71
13242380707cartilaginous jointsbones joined by cartilage; no joint cavity72
13242385437What are the two types of cartilaginoussynchondroses and symphyses73
13242389357Synchondroses (cartilaginous)Bar/plate of hyaline cartilage; almost all are synarthrotic (immovable) Examples: temporary epiphyseal plate joints74
13242404442Symphysesfibrocartilage unites bones in "symphysis" joint; amphiarthrotic (that is slightly movable.) Examples; intervertebral and Pubic symphysis75
13242422474Synovial jointsBones separated by fluid-filled joint cavity All are diarthrotic (freely movable) 6 different types76
13242440254Bursaereduce friction where ligaments, muscles, skin, tendons, or bones rub together77
13242442606Tendon sheathselongated bursae wrapped completely around tendons subjected to friction78
13242449434Ligamentsbands of fibrous tissue that form joints by connecting one bone to another bone79
13242455246Muscle toneKeep tendons taut as they cross joints; Most important role, extremely important in reinforcing shoulder and knee joints and arches of foot80
13242483166Plane jointshort slipping or gliding movements (carpals)81
13242486056hinge jointJoint between bones (as at the elbow or knee) that permits motion in only one plane82
13242494572pivot jointrotating bone turns around an axis (connection between radius/ulna and humerus)83
13242501264Condylarterm that describes joints that can bend, straighten, and move side to side (phalanges)84
13242507739saddle jointtype of joint found at the base of each thumb; allows grasping and rotation85
13242511834ball and socket jointhip and shoulder joints86
13242518821Collateral ligamentTwo: fibulae collateral ligament and tibial collateral ligament, help prevent hyperextension of knee87
13242544185Cruciate ligamentArranged in crossed formation. Help prevent anterior-posterior displacement; anterior crucial ligament88

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