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OSTEOLOGY
Unit Test
109
Biology
12th Grade
09/20/2009

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Term
haplo
Definition
single
Term
leuk
Definition
white
Term
hist
Definition
tissue
Term
lith
Definition
stone
Term
myc
Definition
fungus
Term
hemi
Definition
half
Term
lunar
Definition
moon
Term
mening
Definition
membrane
Term
mer-
Definition
partial
Term
necro
Definition
dead
Term
ocul
Definition
eye
Term
hepat
Definition
liver
Term
mel, klan
Definition
black
Term
ment
Definition
mind
Term
meta
Definition
after or behind
Term
nemat
Definition
threadlike
Term
cartilage
Definition
aka GRISTLE.

a flexible matrix found at ends of long bones, nose, and outer ear.

it attaches the ribs to sternum
Term
ossification
Definition
calcium hardening the cartilage matrix; begins at the 6th week and stops in late teens.
Term
osteocytes
Definition
bone cells
Term
how many bones in human body?
Definition
206
Term
bones make up how much of our weight?
Definition
14%
Term
2 divisions of skeletal system
Definition
AXIAL and APPENDICULAR
Term
how many bones in arms/legs division?
Definition
126
Term
how many bones in torso division?
Definition
80
Term
longest and largest bone?
Definition
femur
Term
smallest bone
Definition
stirrup--> anvil, stirrup, maleus
Term
hardest bone
Definition
either tooth, mandible, or temporal bone (skull)
Term
Major functions of the skeletal system
Definition
1. supports body, giving it shape
2. provides protection for the organ systems
3. provides surface for atatchment of muscles and acts as levers enabling complex movement in association with muscular system
4. provides storage for minerals (esp. calcium and phosphorus)
5.produces blood cell production through the marrow
Term
hemopoiesis
Definition
blood cell production
Term
4 basic types of bones
Definition
long, short, flat, and irregular shaped
Term
long bones
Definition
bones that are longer than they are wide
Term
periosteum
Definition
layer of dense, white fibrous tissue that covers shaft (main part of long bone);

responsible for muscle attachment and for bone and growth repair
Term
marrow cavity
Definition
hollow center surrounded by compact bone that makes up shaft
Term
endosteum
Definition
lining of marrow cavity; also involved with bone growth and repair
Term
epiphyses
Definition
ends of bones
Term
epiphyseal plate
Definition
growth plate; lies between shaft and each epiphysis
Term
short bones
Definition
cube shaped bones that allow you to transfer forces (wrists and ankles)
Term
flat bones
Definition
have broad surfaces for muscle attachment
Term
how many pairs of true ribs?
Definition
7
Term
how many pairs of false ribs?
Definition
3
Term
how many pairs of floating ribs?
Definition
2
Term
skull consists of how many cranial bones? how many facial bones?
Definition
8 cranial bones and 14 facial bones
Term
what are only facial bones NOT paired?
Definition
vomer and mandible
Term
C1-C7
Definition
cervical spine (7)
Term
T1-T12
Definition
thoracic spine (12)
Term
L1-L5
Definition
lumar spine (5)
Term
S1-S5
Definition
sacral spine (5)
Term
Co1-Co5
Definition
coccyx (4-5)
Term
first vertebrae
Definition
ATLAS
Term
cauda equina
Definition
end of spinal column that spreads out (Latin for HORSE TAIL)
Term
supernumerary bones
Definition
bones that humans are normally not born with, but develop at joints that are under stress. (example: BUNIONS) ..not included in 206 count..
Term
synovial fluid
Definition
these joint capsules that lubricates the joint; "shock absorber" ;
Term
BURSAS
Definition
saclike structures located between tendons, ligaments, and bones.

They are lined with synovial membranes (that make synovial fluid) ;

they are filled with FLUID that CUSHIONS and REDUCES friction between moving parts of joint
Term
ligaments
Definition
connective tissue BONE TO BONE
Term
tendons
Definition
fibrous attachments BONE TO MUSCLE
Term
interstitial fluid
Definition
(fluid between cells)..rich in hyaluronic acid and albumin
Term
phagocytic cells
Definition
cleans up tissue debris resulting from wear on joint cartilages; (contained in interstitial fluid)
Term
3 classifications of joints
Definition
freely moving, slightly movable, immovable
Term
types of freely moving joints:
Definition
1. ball and socket
2. hinge
3. pivot
4. gliding
Term
fracture
Definition
cracking or breaking of bone or cartilage; also injures surrounding soft tissues
Term
pathological fracture
Definition
results from disease that weakens bone
Term
traumatic fractures
Definition
MOST fractures; caused by injury
Term
simple fracture
Definition
CLOSED; pieces dont break through skin
Term
compound fractures
Definition
OPEN; bone is exposed through skin
Term
TYPE 1
Definition
small laceration (<1 cm); clean
Term
TYPE 2
Definition
large tissue laceration (>1 cm) ; no flap or avulsion
Term
TYPE 3A
Definition
soft tissue avaliable for wound coverage despite vast soft tissue laceration or flaps
Term
TYPE 3B
Definition
extensive soft tissue injury loss, periosteum stripped away from bone and bone exposure
Term
TYPE 3C
Definition
arterial supply to distal limb damaged, arterial repair required.
Term
communuted fracture
Definition
bone is splintered at site of impact in at least 3 pieces..screws needed to fix it..
Term
avulsion
Definition
a portion of bone is torn off
Term
spiral fracture
Definition
fracture line is twisted
Term
transverse fracture
Definition
fracture line is perpendicular to long axis of bone
Term
oblique fracture
Definition
fractures occurs across bone at oblique angle to axis
Term
depressed fracture
Definition
broken portion is driven inward (skull fractures)
Term
segmental fracture
Definition
also called multiple fracture; implies 3 OR MORE PIECES in single bone; however, fracture lines don't interconnect
Term
non displaced fracture
Definition
fractured bone fragments remain in anatomical alignment (HAIRLINE)
Term
incomplete or partial fracture
Definition
GREEN STICK; one side of bone is cracked
Term
fissured
Definition
bone is incompletely broken on the longitudinal axis
Term
impacted fracture
Definition
end of bone is driven into another
Term
7 signs of fracture
Definition
1. tenderness
2. swelling and bruising
3. deformity
4. crepitus (grinding noise or sensation)
5. exposed fragments
6. false motion
7. inability to use limb
Term
healing fractures:
Definition
(2 part)
1. SET IN PROPER ALIGNMENT (maybe traction..)
2. IMMOBILIZATION (plaster of Paris..)
Term
Spina Bifida
Definition
when your born with your spinal column protruding out of the body
Term
sprain
Definition
an injury of ligaments and tendons that causes pain and disability.
Term
trick knee
Definition
(luxitating patella) .. temporary dislocation of patella usually due to a previous injury..
Term
water on the knee
Definition
swelling of the knee in reponse to torn tissues. Water from the blood moves into the joint cavity to dilute toxins and limit movement so that healing can progress
Term
trepanation
Definition
was/is performed to evacuate hemorrhages and to relieve pressure in cranial cavity caused by disease or trauma
Term
Arthritis
Definition
inflammation of a joint; accompanied with pain and frequently changes in joint structure.. your body thinks your breaking your bones..
Term
OSTEO arthritis
Definition
disintegrates articular cartilage and deposits bony spurs on exposed bone, limiting mobility
Term
RHEUMATOID arthritis
Definition
a disease in which the fibrous tissue grows into joint cavity; later the joint may completely ossify
Term
GOUTY arthritis
Definition
(GOUT); disease which deposits excessive uric acid crystals on the joints
Term
bunions
Definition
inflammation and thickening of bursas of the joint of great toe..usually resulting in enlargement of the joint and displacement of the toe
Term
bursitis
Definition
inflammation of a bursa, esp. one located between bones and muscles or tendons as in the shoulder, elbow, and knee joints.
Term
club foot
Definition
any of a number of deformities of the foot present at birth
Term
dislocation
Definition
temporary displacement of bone from its joint. "popping knuckles" ..
Term
flatfoot
Definition
abnormal flatness of sole and arch of foot, often caused by stretching the ligaments of the joints of the tarsals
Term
osteoporosis
Definition
bone condition in which calcium is removed more rapidly than its replaced; common among elderly
Term
rheumatism
Definition
general term for various conditions including arthritis, soreness, and stiffness of muscles and pain in joints
Term
rickets
Definition
disorder in infants caused by a deficiency of vitamin D. Here the bones become soft, and legs may become bowed
Term
ruptured disk
Definition
a disorder in which the central portion of the cartilaginous disc becomes flattened and protrudes outward... this condition is commonly known as "slipped disk"
Term
spinal deformity
Definition
abnormal spinal curvature such as "humpback" condition and lateral curvature of the back, and may be caused by poor posture, injury, or disease.
Term
potts disease
Definition
AKA spinal turburculosis
Term
if you've been choked, this bone is broken..
Definition
HYOID
Term
occipital condile
Definition
little bulbs across magnum forum
Term
Thorasic
Definition
where vertebrae interacts with true ribs..
Term
Lumbar
Definition
strongest and heaviest vertebrae
Term
ULNA
Definition
PINKY SIDE
Term
RADIUS
Definition
THUMB SIDE
Term
Philanges
Definition
3,3,3,3,2 (great toe and thumb only have 2)
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