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BIO 210 Objectives for LAB QUIZ #3 BONES AXIAL SKELETON SKULL THORAX BONES: FEATURES: frontal bone supraorbital foramen (notch) temporal bone zygomatic process external acoustic (auditory) meatus mastoid process styloid process mandibular fossa parietal bone occipital bone occipital condyles foramen magnum sphenoid bone sella turcica greater & lesser wings optic foramen ethmoid bone cribriform plate,crista galli perpendicular plate superior nasal concha middle nasal concha olfactory foramina inferior nasal concha bone vomer zygomatic bone maxillary bone infraorbital foramen palatine process palatine bone lacrimal bone nasal bone mandible mandibular condyle & notch & angle & ramus & body; coronoid process & mental foramen BONES: sternum OTHER FEATURES: temporomandibular joint orbit zygomatic arch – temporal & zygomatic processes frontal, sphenoidal, ethmoidal, maxillary sinuses vertebral arch body vertebral canal (foramen) spinous process (bifid on cervical) transverse process lamina pedicle superior articular process inferior articular process intervertebral disc SUTURES: squamous (squamosal) suture lambdoid (lambdoidal) suture sagittal suture coronal suture HYOID BONE hyoid bone (Doesn’t articulate with other bones) ribs FEATURES: manubrium, body jugular notch xiphoid process costal cartilage true (1-7) false (8-12) floating (11-12) VERTEBRAE cervical vertebra C1-C7 atlas (C1) axis (C2) odontoid process (dens) thoracic vertebra lumbar vertebra sacrum T1-T12 L1-L5 5 fused coccyx 3 or more fused thoracic, sacral curvatures cervical, lumbar curvatures OTHER FEATURES of VERTEBRA: FETAL SKULL anterior fontanel anterolateral fontanel posterolateral fontanel posterior fontanel frontal bone parietal bone temporal bone occipital bone BONES APPENDICULAR SKELETON PELVIC GIRDLE PECTORAL GIRDLE BONES: clavicle scapula FEATURES: glenoid fossa (cavity) acromion coracoid process spine of scapula superior & inferior angle ARM & HAND humerus radius ulna carpal bones head deltoid tuberosity greater tubercle lesser tubercle capitulum (articulates with radius) trochlea (articulates with ulna) olecranon fossa coronoid fossa medial & lateral epicondyles head radial tuberosity styloid process ulnar notch olecranon process trochlear notch coronoid process styloid process 8 bones of wrist hamate bone ` capitate bone trapezoid bone trapezium bone triquetrum bone pisiform bone (some consider BONES: ilium anterior superior iliac spine posterior superior iliac spine greater sciatic notch ischium ischial tuberosity ischial spine lesser sciatic notch pubis symphysis pubis (pubic symphysis) OTHER FEATURES: os coxae (coxal bone– ilium,ischium & pubis) acetabulum obturator foramen sacroiliac joint LEG & FOOT femur head neck fovea capitis greater trochanter lesser trochanter linea aspera medial & lateral condyles patella tibia tibial tuberosity I fibula fused with triquetrum for 7 carpals) lunate bone scaphoid bone FEATURES: iliac crest ntercondylar tubercles (eminence) anterior crest medial malleolus head lateral malleolus tarsals 7 bones calcaneus bone talus bone metacarpal bones I – V or cuboid bone first through fifth medial cuneiform bone intermediate cuneiform bone phalanges proximal phalanx lateral cuneiform bone middle phalanx navicular bone distal phalanx metatarsal bones I – V or first – fifth phalanges proximal phalanx middle phalanx distal phalanx Note: Fingers and toes are digits: Thumb and big toe – first digit; pinky and little toe - fifth digit phalanges with corresponding digits. Example - distal phalanx of the third digit Identify