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Chapter 7 - Disorders of Bone
Health Science 1 - Ms. Comas
65
Medical
9th Grade
01/29/2007

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Term
What are metabolic diseases?
Definition
diseases characterized by lack of normal bone formation or excess loss of bone tissue
Term
What is osteoporosis?
Definition
loss of calcium in bone
Term
Who does osteoporosis affect and why?
Definition
women going into menopause because of the estrogen
Term
What is osteopenia?
Definition
less bone density (type of osteoporosis)
Term
What is osteitis deformans (Paget)?
Definition
when the bone becomes so inflammed, it startes to sell and look like its coming out of the skin
Term
What is osteomalacia and who does it occur in?
Definition
softening of bone due to a lack of vitamin D; occurs in adults
Term
What is rickets and who does it occur in?
Definition
softening of bone due to a lack of vitamin D; occurs in children
Term
What is myeloma?
Definition
cancer of the red bone marrow
Term
What is osteosarcoma?
Definition
a tumor of the bone
Term
What is chondrosarcoma?
Definition
a tumor of the cartilage
Term
What does -oma stand for?
Definition
tumor
Term
What does benign mean?
Definition
won't spread; localized; non-cancerous
Term
What does malignant mean?
Definition
will spread; cancerous
Term
What is osteomyelitis and where is it found?
Definition
inflammation of the bone caused by pyogenic bacteria; found in the red marrow
Term
What does pyogenic mean?
Definition
pus-forming
Term
What are the three curvatures of the spine?
Definition
kyphosis, lordosis and scoliosis
Term
What is kyphosis aka?
Definition
hunchback
Term
What is lordosis aka?
Definition
swayback
Term
What is cleft palate?
Definition
failure of the maxilla and palatine to fuse
Term
What is flatfoot?
Definition
when theres no arch on your foot
Term
What is a closed fracture?
Definition
break under the skin (bone doesnt come through the skin)
Term
What is an open fracture?
Definition
when bone breaks through the skin
Term
What is an open fracture AKA?
Definition
compound fracture
Term
What is a greenstick fracture?
Definition
a very small hairline fracture usually found in kids in which the bone bends so much, it fractures itself
Term
What is a greenstick fracture called in adults?
Definition
stress fracture
Term
What is an impacted fracture?
Definition
when 2 bones impact into each other (ex: humerous into the scapula)
Term
What is a comminuted fracture?
Definition
when the bone shatters (ex: dog bites, car accident, gun shooting)
Term
What is a spiral fracture?
Definition
happens usually in abused people
Term
What is a transverse fracture?
Definition
a horizontal break
Term
What is a transverse fracture?
Definition
a horizontal break
Term
What is a transverse fracture?
Definition
a horizontal break
Term
What is an oblique fracture?
Definition
a break on an angle
Term
Name 6 things synovial joints contain/are.
Definition
freely moveable joints
ligaments
joint capsules
articular cartilage
meniscus
bursae
Term
What is a joint capsule and what does it contain?
Definition
an opening inside bone; bursae and fat
Term
What is articular cartilage and where is it located?
Definition
on ends of all bones that have a joint
Term
What is the meniscus and what is it made of?
Definition
two pads in the knee; fibrocartilage
Term
What is a bursae and what is its function?
Definition
sac with synovial fluid; to cushion bones
Term
What are synovial joints aka?
Definition
diarothrosis joints
Term
What are fibrous joints aka?
Definition
synarthrosis joints
Term
What are cartilaginous joints aka?
Definition
amphiarthrosis joints
Term
What does diarothrosis mean?
Definition
freely moveable
Term
What does synarthrosis mean?
Definition
immovable
Term
What does amphiarthrosis mean?
Definition
slightly moveable
Term
What are the 6 types of diarothrosis joints?
Definition
gliding
hinge
pivot
condyloid
saddle
ball and socket
Term
Ex of gliding joint?
Definition
wrist, vertebrae
Term
Ex of hinge joint?
Definition
elbow, knee, fingers, toes
Term
Ex of pivot joint?
Definition
radius over ulna, neck
Term
Ex of saddle joint?
Definition
thumb
Term
Ex of saddle joint?
Definition
thumb
Term
Ex of saddle joint?
Definition
thumb
Term
Ex of ball and socket joint?
Definition
shoulder, hip
Term
What is flexion/extension?
Definition
making angle smaller/bigger
Term
What is adduction/abduction?
Definition
coming back towards body/away from body
Term
What is circumduction?
Definition
using flexion, rotation and abduction
aka baseball throw
Term
What is rotation?
Definition
rotating movement
Term
What is supination/pronation?
Definition
face up/face down

only occurs in arm
Term
What is inversion/eversion?
Definition
soles facing in/facing out
Term
What is dorsiflexion/plantar flexion?
Definition
toes pointing up (flexing up)/toes pointing down (flexing down)
Term
What are the 2 mechanical disorders?
Definition
dislocation and sprain
Term
What is a dislocation?
Definition
a luxation (where bone come completely out)
Term
What is a sprain?
Definition
when ligament tears
Term
What is a strain?
Definition
when muscle tears
Term
What is a herniated disc?
Definition
when vertebrae slip out of line
Term
What are the 4 types of arthritis?
Definition
osteoarthritis
rheumatoid arthritis
septic arthritis
gout
Term
What is gout and what causes it?
Definition
arthritis of the big toe; eating too much lean/red meat
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