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die ch7 obj7

QuestionAnswer
Skull Typically composed of 22 bones
Cranium Contains 8 bones; encloses and protects brain
Facial skeleton Contains 14 bones; forms shape of face
Foramen magnum Major anatomical marking of the skull
Mastoid process Major anatomical marking of the skull
Sphenoid bone Bone of the skull
Ethmoid bone Bone of the skull
Cervical vertebrae 7 vertebrae; found in neck region; smallest vertebrae
Thoracic vertebrae 12 vertebrae; found in chest region; larger than cervical vertebrae; articulate with ribs; long, pointed spinous process slopes downward
Lumbar vertebrae 5 vertebrae; found in small of back; large bodies; weight-bearing; thick, short spinous processes; almost horizontal
Sacral vertebrae 5 vertebrae form the sacrum
Coccygeal vertebrae 4 vertebrae form the coccyx
Vertebral body Drum-shaped, anterior portion
Pedicles Stalks that project from body; form sides of vertebral foramen
Laminae Plates that arise from pedicles; fuse to become spinous process
Spinous process Posterior projection
Transverse processes Lateral projections
Vertebral foramen Opening for spinal cord
Superior and inferior articular processes Project upward and downward to articulate with adjacent vertebrae
Sacrum markings Posterior sacral foramina; auricular surfaces; sacral promontory; sacral canal; sacral hiatus; anterior sacral foramina
Coccyx Attached by ligaments to the margins of the sacral hiatus
Atlas C1; supports head; articulates with occipital condyles
Axis C2; Atlas pivots around the dens of Axis
Ribs Humans have 12 pairs
True ribs Vertebrosternal; 7 pairs; connect directly to sternum
False ribs 5 pairs
Vertebrochondral ribs Upper 3 pairs of false ribs; costal cartilages connect to Cartilage #7
Floating ribs Vertebral; lower 2 pairs; no connection to sternum
Sternum Breastbone; along midline of anterior thoracic cage
Manubrium Upper part of sternum
Body of sternum Middle and largest part of sternum
Xiphoid process Lower part of sternum
Pectoral girdle Consists of 2 clavicles and 2 scapulae
Clavicles Collarbones; anterior portions
Scapulae Shoulder blades; posterior portions
Glenoid cavity (fossa) Articulates with head of humerus
Humerus Only bone of upper arm; head, anatomical neck, surgical neck
Radius Lateral forearm bone; shorter than ulna; radial tuberosity; styloid process
Ulna Medial forearm bone; longer than radius; trochlear notch (U-shaped); olecranon process
Carpal bones 8 wrist bones
Metacarpal bones 5 hand bones
Finger phalanges 14 finger bones
Hip bone Consists of 3 fused bones: ilium, ischium, and pubis
Ilium Largest, most superior part of hip bone
Ilium markings Iliac crest; iliac spines; greater sciatic notch
Ischium L-shaped, lowest part; supports weight while sitting
Ischium markings Ischial spines; ischial tuberosity
Pubis Anterior portion of hip bone
Pubis markings Pubic symphysis; pubic arch
Acetabulum Depression for head of femur
Obturator foramen Opening between pubis and ischium
Lower limb bones Femur; patella; tibia; fibula; tarsals; metatarsals; phalanges
Femur Thigh bone; longest bone of body
Tibia Shin bone; larger of 2 leg bones; lies medial to fibula
Tibia condyles Located at proximal end
Tibial tuberosity Attachment site for patellar ligament
Medial malleolus Marking of tibia
Fibula Long, slender bone; lateral side of tibia; non-weight bearing
Fibula head Marking of fibula
Lateral malleolus Marking of fibula
Tarsal bones 7 ankle bones
Calcaneus Heel bone
Talus Articulates with tibia
Metatarsal bones 5 foot bones
Toe phalanges 14 toe bones
Toe phalanges divisions Proximal, middle, distal
Created by: jullian18
 

 



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