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Prefixes
- ad- " toward"
- ab- "away from"
- dorsi- "back"
- poly- "many, much"
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Bones
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Combining Forms
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General
- calc/o; calci/o
- lumb/o
- myel/o
- orth/o "straight"
- oste/o
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Spine Curvature
- kyph/o "hunch back"
- lord/o "sway back like leaning"
- scoli/o " curve back"
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Vertebra
- spondyl/o "condition of vertebra"
- vertebr/o "vertebra"
- lamin/o
- eg. laminectomy "operation to relieve symptom of slipped disk"
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Specific Bones
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Cranial and Facial Bones
- crani/o
- maxill/o "upper jaw"
- mandibul/o "lower jaw"
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Thorax Bones
- clavicul/o "anterior shoulder blade clavicle"
- cost/o "ribs"
- scapul/o " posterior shoulder blade bone"
- acromion "extension of the scapula
- stern/o "breast bone"
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Pelvis Bones
- acentabul/o "hip socket"
- ili/o
- ischi/o
- pelv/o
- pub/o
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Arm and Hand Bones
- humer/o "upper arm"
- Forearm
- radi/o "thumb (distal) side forearm"
- uln/o "little finger (medial) side forearm"
- olecran/o "elbow process"
- Hand
- carp/o "carpals wrist bones"
- metacarp/o "metacarpals hand bones"
- phalang/o "fingers and toes"
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Leg and Foot Bones
- femor/o "upper leg (femur)"
- trochanter "process below neck of femur"
- patell/o "knee cap (patella)"
- Lower leg
- perone/o "fibula distal lower leg"
- fibul/o
- tibi/o "medial larger lower leg bone"
- malleol/o "ankle process"
- Foot
- calcane/o "heel bone (calcaneus)"
- tars/o "hindfoot bones"
- metatars/o "foot bones"
- phalang/o "fingers and toes"
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Pathology
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Ewing Sarcoma "rare malignant tumor, often in children"
- involves shaft of medullary cavity of long bones
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Exostosis "benign bony growth"
- bone spur eg. bunion - swelling of joint big toe
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Fracture " traumatic break to bone"
- Simple fracture (closed no open wound)
- Compound fracture (open with open wound)
- Colles fracture (broken bone near the wrist joint)
- Compression fracture (bone collapse from trauma or osteoporosis)
- Comminuted fracture (splintered or crushed bone)
- Greenstick fracture (partially broken bone)
- Impacted fracture (broken bone with one fragment driven into another)
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Osteogenic sarcoma (Osteosarcoma) "malignant tumor"
- primarily in children and adolescents with large bony tumors from osteoblasts multiplication
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Osteomalacia "softening of bone"
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Rickets
- disease of osteomalacia of infancy and childhood
- Osteomyelitis "inflammation of bone marrow bacterial infection"
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Osteoporosis "porous bones"
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Osteopenia
- condition in which bone mineral density is lower than normal
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Talipes "congenital abnormality of hindfoot"
- eg. clubfoot (talipes equinovarus)
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Joints
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Combining Forms
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Joint
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arthr/o
- eg. arthrodesis "surgical fixation of joint"
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articul/o
- eg. articulation "joint"
- ankyl/o "stiff, crooked, bent"
- burs/o "bursa"
- chondr/o
- rheumat/o "watery flow"
- synov/o "movable joint"
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Connective tissue
- ligament/o "bone to bone"
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tendon "muscle to bone"
- ten/o "eg. tendonitis"
- tendin/o "eg. tendinitis"
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Pathology
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Arthritis
- Ankylosing spondylitis "stiffening of spinal joint"
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Gouty arthritis (Gout) "excessive uric acid"
- eg. podagra, hyperuricemia
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Osteoarthritis (OA) "degenerative joint disease"
- loss of articular cartilage, hypertrophy of bone formation (bone spurs)
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Rheumatoid Arthritis (RA) "Chronic autoimmune reaction affect synovial membrane"
- bony ankylosis
- formation of fibrous tissue calcifies at joint
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Bunion
- build up of soft tissue or bone of metatarsophalangeal
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Carpal Tunnel Syndrome (CTS)
- compression of median nerve
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Dislocation
- displacement of bone from joint
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subluxion
- partial or incomplete dislocation of a bone from its joint
- eg. spondylolisthesis - subluxation or "slipped disc/disk" of a vertebra
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Ganglion cyst "fluid filled sac"
- occurs in joint capsules or tendons, such as wrist called "bible cyst"
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Herniation of an intervertebral disk (disc) "abnormal protrusion"
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sciatica
- pain radiating down the leg when disk protrudes in the lumbar spine
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microdiskectomy
- excision/removal of a portion of the protruding disk using microendoscopic surgery
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Lyme disease (Lyme arthritis) "bull's eye tick rash"
- tick bite cause severe arthritis, myalgia, malaise, affects nervous system
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Sprain
- trauma to joint with swelling and injury to ligament
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Systemic lupus erythematosus (SLE) "butterfly rash autoimmune disease"
- chronic inflammatory autoimmune disease, affect joints, skin, kidneys, CNS, heart, lungs, connective tissue of collagen found in tendons, ligaments, bones, cartilages)
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Muscles
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Combining Form
- fasci/o "fibrous membrane separating and enveloping muscle (fascia)"
- fibr/o "fibrous tissue"
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Muscle
- my/o "eg. myopathy"
- myos/o "eg. myositis"
- myocardi/o "heart muscles"
- leiomy/o "smooth muscle"
- rhabdomy/o "skeletal muscle"
- plant/o "sole of foot"
- sarc/o "muscle and flesh"
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Pathology
- Polymyositis "chronic inflammatory myopathy"
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Muscular dystrophy " inherited degeneration of muscle"
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Pseudohypertrophy
- muscle appear to enlarge as fat replaces
- Strain "overstretch muscle" and sprain "trauma to join and ligament"
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Suffixes
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Bones
- -blast
- -clast
- - listhesis "slipping"
- -malacia
- -physis "to grow"
- -porosis "pore or passage"
- -tome "instrument to cut into"
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Joints
- -desis "to bind, tie together"
- -stenosis "narrowing"
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Muscles
- -asthenia "lack of strength"
- -trophy " development, nourishment"
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Specialists
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Physicians
- Orthopedists
- Rheumatologists
- Physiatrists "physi/o nature, physical"
- osteopathic physician (DO)
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Non-physicians
- Chiropractor "chir/o hand"
- Physical Therapist
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Clinical (Diagnostic) Procedures
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Bone Density Test (Bone densitometry) or DEXA (DXA) "X-ray"
- low-energy x-ray of spinal column, pelvis, wrist to measure bone mass, dual-energy x-ray absorptiometry
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Bone Scan "radioactive uptake"
- radiotracer injected intravenously by nuclear medical physician to diagnose tumors, infection, inflammation, stress fracture)
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Electromyography (EMG) "electrical stimulation"
- recording of strength of muscle contraction involving electrical stimulation
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Rheumatoid Factor Test (RF) "antibody serum test"
- Serum is tested for the presence of an antibody
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Add't Terms
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Muscle Types
- Striated (skeletal) muscle "voluntary"
- Smooth (visceral) muscle "involuntary"
- Cardiac (myocardiac) muscle "involuntary"
- Visceral muscle "internal organs muscle"
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Point of attachment
- Origin "muscle to stationary bone"
- Insertion "muscle to bone that moves"
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Muscle Actions
- flexion "to bend"
- extension "to straighten"
- abduction "away from midline"
- adduction "toward midline"
- dorsiflexion "backward (upward) bend of foot"
- plantar flexion "sole of foot bend downward to ground"
- supination " palms upwards"
- pronation "palms downwards"
- rotation "circular movement"
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Add't Terms
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Fontanelle
- cranial bones of newborn child have soft spots, not completely joined gaps in the skull
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Sutures
- cranial bones join each other at immovable joints
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Articular Cartilage
- bones at joint covered by glistening white tissue
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Meniscus
- crescent-shaped fibrocartilaginous structure within joint cavity as protection and cushion
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Add't Terms
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Processes "projections of a bones"
- Bone Head
- Condyle
- Epicondyle
- Trochanters
- Tuberosity
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Depressions "openings or hollows of bones"
- Fissure
- Foramen "opening"
- Fossa "shallow depression"
- Sinus "hollow cavity"
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Type of Bones
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Compact (cortical) Bone "long bone"
- haversian canals channel sys. for blood vessels to transport oxygen and waste, medullary cavity contains yellow bone marrow (fat cells)
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Spongy (cancellous or tabecular) Bone "porous bone"
- hematopoiesis in spaces of cancellous bone contain red bone marrow
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Fracture/Dislocation Treatment
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reduction
- restoration of bone to normal position
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Cranial Bones
- Ethmoid bone "supports nasal cavity"
- Frontal bone "forms the forehead"
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Occipital bone "base of skull"
- foramen magnum "opening for spinal cord"
- Parietal bone "roof of skull"
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Sphenoid bone "bat-shaped bone behind eyes"
- sella turcica "depression where the pituitary gland is located"
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Temporal bones " two sides of skull close to ear"
- Mastoid process "behind the ear"
- Styloid process "projects downward from temporal bone"
- temporomandibular joint (TMJ)
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Facial Bones
- Lacrimal bones "corner of eye"
- Mandible "lower jaw bone"
- Maxillae "upper jaw bone"
- Vomer "nasal septum"
- Zygomatic bones "cheek bones"
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Breastbone
- Manubrium "upper most portion"
- Sternum "joins with clavicle and ribs"
- Xiphoid process "lowest portion"