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The Skeletal System
Terms and facts about the skeletal system.
52
Anatomy
Undergraduate 1
02/03/2012
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Term
Axial Skeleton
 Definition
Skull & spine.
Term
Appendicular Skeleton
 Definition
Extremities.
Term
Function of Bone
 Definition
1.Support 2.Protect 3.Movement 4.Store 5.Blood Formation
Term
Number of Bones in Adult Skeleton
 Definition
206
Term
Class of Bones & Example
 Definition
1.Long;femur 2.Flat;sternum 3.Short;carpals 4.Irregular;vertebra
Term
Diaphysis
 Definition
Bone shaft.
Term
Epiphysis
 Definition
Bone end.
Term
Medullary Cavity
 Definition
Inside.
Term
Periosteum
 Definition
Lining.
Term
Articular Cartilage
 Definition
Hyaline; reduce friction.
Term
Epiphyseal Plate/Line
 Definition
Growth plate; kids/adults.
Term
Tuberosity
 Definition
Rough.
Term
Tubercle
 Definition
Small, round.
Term
Spine
 Definition
Sharp, slender.
Term
Process
 Definition
Prominence.
Term
Facet
 Definition
Flat; joint.
Term
Condyle
 Definition
Large, round; joint.
Term
Fossa
 Definition
Flat.
Term
Foramen
 Definition
Hole.
Term
Osteon
 Definition
Haversian System; functional unit.
Term
Central Canal
 Definition
Haversian Canal; long.
Term
Perforating Canal
 Definition
Volkman's Canal; perpendicular.
Term
Lacunae
 Definition
Little lakes; home to osteocytes.
Term
Lamellae
 Definition
Rings around central canal.
Term
Canaliculi
 Definition
Tiny canals; connect.
Term
Appositional Growth
 Definition
Wide.
Term
Longitudinal Growth
 Definition
Long.
Term
Osteocytes
 Definition
Mature cell.
Term
Osteoblasts
 Definition
Build.
Term
Osteoclast
 Definition
Chew.
Term
Fractures
 Definition
Open; compound (stick-out)
Closed; simple (inside)
Term
Communited
 Definition
Shatter.
Term
Compression
 Definition
Crushed.
Term
Spiral
 Definition
45 degree.
Term
Greenstick
 Definition
Incomplete.
Term
Sinuses
 Definition
Reduce weight & voice resonance.
Term
Hyoid Bone
 Definition
Speech & swallowing.
Term
Vertebra
 Definition
Total: 24
Cervical: 7 (lordosis)
Thoracic: 12 (kyphosis)
Lumbar: 5 (lordosis)
Term
Ribs
 Definition
True: 1-7
False: 8-12
Floating: 11-12
Term
Scoliosis
 Definition
Sideways curve in the spine.
Term
Pelvic Girdle
 Definition
Protection.
Term
Synarthroses
 Definition
No movement.
Term
Amphiarthroses
 Definition
Little movement.
Term
Diarthroses
 Definition
Freely moveable.
Term
Fibrous Joints
 Definition
Fibers; Suture-S, Syndesmoses(I.O.M.)-A
Gomphosis (tooth)-S
Term
Cartilaginous Joints
 Definition
Cartilage; Symphsis: Pubic-A, I.V.D.-A
Synchondrosis (growth plate)-S
Term
Synovial Joints
 Definition
Synovial membrane; everything else-D
Term
Features of Synovial Joint
 Definition
Cartilage, Capsule, Cavity, Ligaments.
Term
Bursae
 Definition
Reduce friction.
Term
Tendon Sheath
 Definition
Reduce friction.
Term
Bursitis/Tendonitis
 Definition
Inflamation.
Term
Osteoporosis
 Definition
Mostly female, reduction in calcium & bone density.
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