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Chapter 3
Bones
201
Medical
Undergraduate 1
09/18/2011

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Term
periosteum
Definition
tough, fibrous tissue that forms the outermost covering of bone
Term

compact bone

 

 

Definition
dense, hard, and very strong bone that forms the protective outer layer of bones
Term
spongy bone
Definition
lighter, and not as strong, as compact bone. this type of bone is commonly found in the ends and inner portions of long bones such as the femur. (red bone marrow found here)
Term
medullary cavity
Definition
located in the shaft of a long bone and is surrounded by compact bone
Term
endosteum
Definition
the tissue that lines the medullary cavity
Term
red bone marrow
Definition
located within the spongy bone, is hemopoietic tissue that manufactures red blood cells, hemoglobin, white blood cells, and thrombocytes
Term
hemopoietic
Definition
pertaining to the formation of blood cells
Term
-poietic
Definition
pertaining to formation
Term
yellow bone marrow
Definition
functions as fat storage area, is composed chiefly of fat cells located in the medullary cavity
Term
cartilage
Definition
smooth, rubbery, blue-white connective tissue that acts as a shock absorber between bones. (ear, nose)
Term
articular cartilage
Definition
covers the surfaces of bones where they come together to form joints.
Term
meniscus
Definition
curved fibrous cartilage found in some joints, such as the knee
Term
diaphysis
Definition
shaft of the long bone
Term
epiphysis
Definition
the wide end of the long bone
Term
foramen
Definition
opening in a bone through which blood vessels, nerves, and ligaments pass
Term
process
Definition
normal projection on the surface of a bone that serves as an attachment for muscles tendons
Term
joints
Definition
place of union between two or more bones.
Term
fibrous joints
Definition
inflexible layers of dense connective tissues, hold bones tightly together
Term
fontanelles
Definition
normally present on the skull of a newborn
Term
cartilaginous joints
Definition
allow only slight movements and consist of bones connected entirely by cartilage
Term
pubic symphysis
Definition
cartilaginous joint known that allows some movement to facilitate birth
Term
synovial joint
Definition
where two bones articulate to permit a variety of motions. ball and socket, hinge
Term
synovial capsule
Definition
outermost layer of strong fibrous tissue that resembles a sleeve as it surrounds the joint
Term
synovial membrane
Definition
lines the capsule and secretes synovial fluid
Term
synovial fluid
Definition
acts as a lubricant to make the smooth movement of the joint possible
Term
ligaments
Definition
bands of fibrous tissue that form joints by connecting one bone to another bone, or bone to cartilage
Term
bursa
Definition
fibrous sac that acts as a cushion to ease movement in areas that are subject to friction. (shoulder, elbow, knee)
Term
axial skeleton
Definition
protects the major organs of the nervous, respiratory, and circulatory systems
Term
appendicular skeleton
Definition
makes  body movement possible, protects organs of digestion, excretion, and reproduction
Term
skull
Definition
8 bones that form the cranium, 14 bones that form the face, and 6 bones in the middle ear
Term
cranium
Definition
8 bones that enclose the brain
Term
frontal bone
Definition
forehead
Term
parietal bones
Definition
most of the roof and the upper sides of the cranium
Term
occipital bone
Definition
posterior floor and walls of the cranium
Term
temporal bones
Definition
form the sides and base of the cranium
Term
sphenoid bone
Definition
forms part of the base of the skull, floor, and side of the orbit
Term
ethmoid bone
Definition
forms part of the posterior portion of the nose, the orbit, and the floor of the cranium
Term
auditory ossicles
Definition
six tiny bones in the middle ear
Term
external auditory meatus
Definition
located in the temporal bone on each side of the skull, opening of the external auditory canal of the outer ear
Term
nasal bones
Definition
form the upper part of the bridge of the nose
Term
zygomatic bones
Definition
articulate with the frontal bone (forehead)
Term
maxillary bones
Definition
form must of the upper jaw
Term
palatine bones
Definition
form part of the hard palate of the mouth and the floor of the nose
Term
lacrimal bones
Definition
make up part of the orbit at the inner angle of the eye
Term
inferior conchae
Definition
thin, scroll like bones that form part of the interior of the nose
Term
vomer bone
Definition
forms the base for the nasal septum
Term
mandible
Definition
jawbone (only movable part of the skull)
Term
temporomandibular joint
Definition
where the mandible is attached to the skull
Term
thoracic cavity
Definition
bony structure that protects the heart and lungs, ribcage
Term
ribs
Definition
attach posteriorly to the thoracic vertebrae
Term
cost-
Definition
rib
Term
sternum
Definition
forms the middle front of the ribcage and is divided into three parts
Term

ribcage

manubrium

Definition
tiny bone structure that forms the upper portion of the sternum
Term

ribcage

body of the sternum

Definition
bony structure that forms the middle portion of the sternum
Term

ribcage

xiphoid process

Definition
structure made of cartilage that forms the lower portion of the sternum
Term
pectoral girdle
Definition
the shoulders, which protect the arms and hands
Term
clavicle
Definition
slender bone that connects the manubrium of the sternum to the scapula
Term
scapula
Definition
shoulder blade
Term
acromion
Definition
an extension of the scapula that forms the high point of the shoulder
Term
humerus
Definition
bone of the upper arm
Term
radius
Definition
the smaller and shorter bone in the forearm
Term
ulna
Definition
the longer bone in the forearm
Term
olecranon process
Definition
funny bone, large projection on the upper end of the ulna
Term
carpals
Definition
8 bones that form the wrist
Term
metacarpals
Definition
5 bones that frorm the palm of the hand
Term
phalanges
Definition
14 bones of the lower fingers
Term
spinal column
Definition
supports the head and body, and protects the spinal cord
Term
vertebrae
Definition
there are 26, single segments of the spinal column
Term
cervical vertebrae
Definition
first set of 7 that form the neck C1-C7
Term
thoracic vertebrae
Definition
make up the second set of 12 vertebrae outward curve of spine, T1-T12
Term
lumbar vertebrae
Definition
the third set of 5, form the last inward curve of spine, L1-L5
Term
sacrum
Definition
slightly curved, triangular shaped bone near the base of the spine that forms the lower portion of the back
Term
coccyx
Definition
forms the end of the spine and is actually made up of four small vertebrae that are fused together
Term
intervertebral disks
Definition
which are made of cartilage, seperate and cushion the vertevbrae from eachother
Term
pelvic girdle
Definition
protects internal organs and lower extremities, cup shaped ring of bone at the lower end of the trunk
Term
ilium
Definition
broad blade shaped bone looks like an elephant ear sides of pubic bone
Term
sacroiliac
Definition
slightly movable articulation between the sacrum and the posterior portion of the ilium (inner elephant ear)
Term
ischium
Definition
forms the lower posterior portion of the pubic bone, bears the weight of the body when sitting
Term
pubis
Definition
forms the anterior portion of the pubic bone, just below the bladder
Term
pubic bones
Definition
when the ilium, ischium, and pubis fuse together
Term
acetabulum
Definition
hip socket, large circular cavity in each side of the pelvis that articulates with the head of the femur to form the hip joint
Term
femur
Definition
upper leg bone
Term
knees
Definition
complex joints make movement possible b/w upper and lower leg
Term
patella
Definition
bony anterior portion of the knee
Term
popliteal
Definition
referring to the posterior space behind the knee where the ligaments, vessels, etc are
Term
cruciate ligaments
Definition
shaped like a cross, make possible the movements of the knee
Term
tibia
Definition
larger leg bone
Term
fibula
Definition
shorter leg bone
Term
malleolus
Definition
rounded bony protuberance on each side of the ankle
Term
ankles
Definition
joint between the lower leg and the foot, made up of 7 short tarsal bones (similar to the wrist but larger)
Term
talus
Definition
anklebone that articulates with the tibia and fibula
Term
calcaneus
Definition
heel bone, largest of the tarsal bones
Term
metatarsals
Definition
the part of the foot to which the toes are attached
Term
phalanges
Definition
bones of the toes, just like the bones of the fingers
Term
chiropractor
Definition
specializes in disorders of the misalignment of the spine
Term
orthopedic surgeon
Definition
disorders of the bones, joints, and muscles
Term
osteopath
Definition
uses traditional medical treatment along with manipulations of the spine, holds a Dr. degree
Term
podiatrist
Definition
holds a Dr. degree, disorders of the foot
Term
pod-
Definition
foot
Term
ankylosis
Definition
loss or abscence of mobility in a joint due to disease, injury, or a surgical procedure
Term
ankyl-
Definition
crooked or bent
Term
arthrosclerosis
Definition
stiffness of the joints, especially in the elderly
Term
bursitis
Definition
inflammation of the bursa
Term
chondromalacia
Definition
softening of the cartilage
Term
costochondritis
Definition
inflammation of the cartilage that connects a rib to the sternum
Term
cost/o-
Definition
rib
Term
hallux valgus
Definition
bunion, abnormal enlargement of the side of the great toe
Term
hemarthrosis
Definition
blood within the joint
Term
synovitis
Definition
inflammation of the synovial membrane
Term
dislocation
Definition
total displacement of a bone from its joint
Term
subluxation
Definition
partial displacement of a bone from its joint
Term
arthritis
Definition
inflammatory condition of one or more joints
Term
osteoarthritis
Definition
wearing away of the articular cartilage within the joints
Term
spondylosis
Definition
degenerative disorder that can cause the loss of normal spinal structure and function
Term
gouty arthritis
Definition
type of arthritis characterized by deposits of uric acid in the joints
Term
rheumatoid arthritis
Definition
chronic autoimmune disorder in which the joints and some organs of other body systems are attacked
Term
ankylosing spondylitis
Definition
a form of rheumatoid arthritis that primarily causes inflammation of the joints between the vertebrae
Term
juvenile rheumatoid arthritis
Definition
16 years or less, autoimmune disorder with symptoms of stiffness, pain, joint swelling etc.
Term
herniated disk
Definition
the breaking apart of an intervertebral disk that results in pressure on spinal nerve roots
Term
lumbago
Definition
pain the the lumbar region of the spine, lower back pain
Term
spondylolisthesis
Definition
forward slipping movement of the body of one of the lower lumbar vertebrae on the vertebra or sacrum below it
Term
spina bifida
Definition
congenital defect that occurs during early pregnancy when the spinal canal fails to close completely around the spinal cord to protect it
Term
kyphosis
Definition
abnormal increase in the outward curve of the thoracic spine as viewed from the side
Term
lordosis
Definition
abnormal increase in the forward curve of the lumbar spine bent backward
Term
scoliosis
Definition
abnormal sideways curve of the spine as seen from the back
Term
craniostenosis
Definition
malformation of the skull due to the premature closure of the cranial structures
Term
fibrous dysplasia
Definition
bone disorder of unknown cause that destroys normal bone structure and replaces it with fibrous tissue
Term
ostealgia
Definition
pain in a bone
Term
osteitis
Definition
inflammation of bone
Term
osteomalacia
Definition
abnormal softening of bones in adults
Term
osteomyelitis
Definition
inflammation of the bone marrow and adjacent bone
Term
myel-
Definition
bone marrow
Term
paget's disease
Definition
done disease of an unknown cause, excessive breakdown of bone tissue
Term
periostitis
Definition
inflammation of the periosteum
Term
rickets
Definition
defiency disease occuring in children, deficiency in bone growth
Term
short stature
Definition
failure of the bones and limbs to grow to an appropriate length
Term
talipes
Definition
any congenital deformity of the foot involving the talus (ankle)
Term
primary bone cancer
Definition
rare malignant tumor that originates in a bone
Term
secondary bone cancer
Definition
tumors that have spread to the bones from other organs such as the breast and lungs
Term
myeloma
Definition
cancer that occurs in blood making cells found in the red bone marrow
Term
osteochondroma
Definition
benign bony projection covered with cartilage
Term
osteoporosis
Definition
marked loss of bone density and an increase in bone porosity
Term
osteopenia
Definition
thinner than average bone density in a yound person
Term
compression fracture
Definition
occurs when a bone is pressed together on itself
Term
colles' fracture
Definition
fractured wrist, occurs at the lower end of the radius
Term
osteoporotic hip fracture
Definition
caused by the weakening of the bones due to osteoporosis and can occur due to fall or spontaneous, broken hip
Term
fracture
Definition
broken bone, complex
Term
closed fracture
Definition
bone is broken, no open wound in skin
Term
open fracture
Definition
bone is broken, skin is broken
Term
comminuted fracture
Definition
bone is splintered or crushed into small pieces
Term
greenstick fracture
Definition
bone is bent and only partially broken
Term
oblique fracture
Definition
occurs at an angle across the bone
Term
pathologic fracture
Definition
when a weakend bone breaks under normal strain
Term
spiral fracture
Definition
bone has been twisted apart
Term
stress fracture
Definition
an overuse injury, a small crack in the bone from chronic excessive impact
Term
transverse fracture
Definition
occurs straight across the bone
Term
fat embolus
Definition
when a long bone is fractured and fat cells from yellow bone marrow are released into the blood
Term
crepitation
Definition
the grating sound heard when the ends of a broken bone move together
Term
callus
Definition
buldging deposit around the area of a break
Term
radiograph
Definition
use of x-radiation to visualize bone fractures and other abnormalities
Term
arthroscopy
Definition
visual examination of the internal structure of a joint
Term
bone marrow biopsy
Definition
test that may be necessary after abnormal types or numbers of red or white blood cells are found
Term
magnetic resonance  imaging
Definition
image soft tissue structures such as the interior of complex joints
Term
bone density testing
Definition
used to determine losses or changes in bone density
Term
ultrasonic bone density testing
Definition
screening test for osteoporosis or other conditions that cause a loss of bone mass, soundwaves are used to take measurements of the calcenaeous bone (heel), if risks are indicated, further tests
Term
dual x-ray absorptiometry
Definition
low-exposure radiographic measurement of the spine and hips to measure bone density
Term
bone marrow transplant
Definition
used to treat certain types of cancer, such as leukemia, that affect bone marrow, healthy bone marrow stem cells are transfused
Term
allogenic bone marrow transplant
Definition
uses healthy bone marrow cells from a compatible donor, often a sibling
Term
allogenic
Definition
originating within another
Term
autologous bone marrow transplant
Definition
patient recieves his own bone marrow cells which have been harvested, cleansed, treated, and then stored before the remaining bone marrow is destroyed
Term
autologous
Definition
originating within that individual
Term
arthrodesis
Definition
the surgical fusion of two bones to stiffen a joint, such as an ankle
Term
arthrolysis
Definition
the surgical loosening of an ankylosed joint or break down/destruction
Term
arthroscopic surgery
Definition
minimally invasive procedure for the treatment of the interior of a joint
Term
bursectomy
Definition
surgical removal of the bursa
Term
chondroplasty
Definition
surgical repair of damaged cartilage
Term
synovectomy
Definition
surgical removal of a synovial membrane from a joint
Term
arthroplasty
Definition
surgical repair of a damaged joint
Term
total knee replacement
Definition
all of the parts of the knee were replaced
Term
bone-conserving hip resurfacing
Definition
an alternative to removing the head of the femur, placing a metal cap over the head of the femur which restores function to the hip
Term
revision surgery
Definition
replacement of a worn or failed implant
Term
percutaneous diskectomy
Definition
treats a herniated intervertebral disk, thin tube is inserted through the skin of the back to suction out the ruptured disk or to vaporize it with a lazer
Term
percutaneous vertebroplasty
Definition
treats osteoporosis-related compression fractures, bone cement is injected to stabilize compression fractures within the spinal column
Term
laminectomy
Definition
surgical removal of a lamina, or posterior portion, of a vertebrae
Term
spinal fusion
Definition
technique to immobilize part of the spine by joining together two or more vertebrae
Term
craniectomy
Definition
surgical removal of a portion of the skull
Term
craniotomy
Definition
surgical incision or opening into the skull
Term
osteoclasis
Definition
surgical fracture of a bone to correct deformity
Term
-clasis
Definition
break
Term
ostectomy
Definition
surgical removal of a bone
Term
osteoplasty
Definition
surgical repair of a bone
Term
osteorrhaphy
Definition
surgical suturing, or wiring together, of bones
Term
osteotomy
Definition
surgical incision or sectioning of a bone
Term
periosteotomy
Definition
surgical incision through the periosteum to the bone
Term
closed reduction
Definition
the attempted realignment of the bone involved in a fracture or joint dislocation
Term
immobilization
Definition
act of holding, suturing, or fastening the bone in a fixed position with strapping or a cast
Term
traction
Definition
a pulling force exerted on a limb in a distal direction in an effort to return the bone or joint to normal alignment
Term
external fixation
Definition
a fracture treatment procedure in which pins are placed through the soft tissues and bone so that an external appliance can be used to hold the pieces of the bone firmly in place during healing, then removed
Term
internal fixation
Definition
a fracture treatment in which a plate or pins are placed directly into the bone to hold the broken pieces in place
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