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They musculoskeletal system consists of 3 interrelated parts:
bones, joints (articulations), muscles
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bones are connected to one another by fibrous bands of tissue called...
ligaments
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muscles are attached to the bones by bands of tissue called...
tendons
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the tough fibrous covering of the muscles (and some nerves and blood vessels) is called...
fascia
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articular _____ covers the ends of many bones and serves as a protective fxn
cartilage
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hematopoiesis
process of storing of minerals (Calcium, Phosphorous) and the continual formation of blood in the bone marrow
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orthopedics
musculoskeletal disorder specialist
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rheumatology
specialty that deals with disorders of connective tissue, bone and cartilage
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physiatry
concerned with diagnosis and treatment of disease or injury with the use of physical agents
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axial skeleton consists of...
skull, rib cage, and spine
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appendicular skeleton consists of...
shoulder bones, collar bones, pelvic bones, arms and legs
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matrix
area between the cells of a bone (consists of calcium, phosphorous)
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osteoblasts
cells built from bone
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osteoclasts
cells that break down bone cells to transform them as needed
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compact bone
osteocytes + matrix (consists of the hard outer layer of the bone)
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spongy or cancellous bone
second layer of bone within the compact bone
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bone marrow
produces blood cells
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diaphysis
a bone's long shaft
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epiphysis
each end of the bone
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epiphyseal
areas where bone growth normally occurs
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metaphysis
epiphysis and epiphyseal plates meet
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periosteum
outer covering of the bone
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endosteum
inner aspect of the bone
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depression
any groove, opening or hollow space in a bone
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processes
raised or projected areas of a bone
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fissure
fissur/o
a fairly deep cleft or groove
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foramen
foramin/o
an opening or hole
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fossa
foss/o
a hollow or depression, especially on the surface of the end of a bone
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sinus
sin/o
cavity/channel lined with a membrane
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sulcus
sulc/o
groove or depression in an anatomic structure, not as deeps as a fissure
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condyle
condyl/o
rounded projection at the end of a bone that anchors the ligaments and articulates with adjacent bones
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crest epicondyle head
projection on surface of bone above the chondyle
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tubercle
a nodule or small raised area
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tuberosity
elevation or protuberance, large than tubrcle
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the skull is made up of 2 parts:
cranium and facial bones
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frontal bone
forms anterior part of skull and forehead
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parietal bones
form sides of cranium
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occipital
forms the back of the skull
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temporal bones
form the lower two sides of the cranium
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mastoid process
posterior part of the bone behind he ear
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ehthmoid bone
forms the roof and walls of the nasal cavity
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sphenoid bone
anterior to the temporal bones and the basilar part of the occpital bone
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lacrimal bones
paired bones at the corner of each eye that cradle the tear ducts
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maxilla
upper jaw bone (maxillary bone)
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mandible
lower jaw bone (mandibular bone)
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vomer
bone that forms posterior/anterior part of the nasal septal wall between nostrils
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palatine bones
make up part of the roof of mouth
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inferior nasal conchae
make up part of the interior of the nose
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constrochondral
pertaining to the ribs/cartilage
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xiphoid process
sharp point at the most inferior aspect of sternum
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cervical vertebrae
neck bones c1-c7
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thoracic vertebrae
upper back (t1-t12)
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lumbar vertebrae
lower back (L1-L5)
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sacral verebrae
sacrum (s1-s5)
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coccygeal vertebrae
coccyx (tailbone)
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scapula
shoulder blades (help support arms)
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acromion process
lateral protrusion of the scapula that forms the highest point of the shoulder
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radius
lower lateral arm bone parallel to ulna, distal end articulates with the thumb side of hand
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ulna
lower medial arm bone, distal end articulates with little finger side of hand
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olecranon process
funny bone
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carpal
one of eight wrist bones
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metacarpal
one of 5 bones that form the middle part of hand
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phalanx
one of the 14 bones that constitute fingers of the hand
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digitus
refers to whole finger/toe
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acetabulum
socket where femoral head fits
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Ilium
superior and widest bone of pelvis
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Ischium
lower portion of pelvic bone
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pubis or pubic bone
lower anterior part of pelvic bone
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femur
thigh bone, upper leg bone
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tibia
shin bone, lower medial leg bone
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fibula
smaller, lower lateral leg bone
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malleolus
process on distal ends of tibia and fibula
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metatarsals
one of 5 foot bones between tarsals and phalanges
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phalanx
one of 14 bones, 2 in the great tow and 3 in teach of the other four toes
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range of motion (ROM)
range through which a joint can be extended and flexed
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no ROM
synarthroses
are immoveable joints held together by fibrous cartilaginous tissues (ie suture lines of the skull)
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Limited ROM
amphiarthroses
joints jointed together by cartilage that are slightly movable (ie vertebrae of the spine or pubic bones)
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full ROM
diarthroses/synovial
joins that have free movement; ball and socket joints, hinge joints (ie elbows, shoulders, wrists)
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bursae
sacs of fluid located between the bones of the join and the tendons that hold muscles in place
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menisci
crescent-shaped cartilage in the knee joint that additionally cushion the joint
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muscle
tissue that can contract and relax
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skeletal muscle
striated (stripped in appearance) and allows for voluntary movement
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smooth muscle
responsible for involuntary movement
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heart muscle
pumps blood to circulatory system
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tendons
strong fibrous bands of connected tissue used to attached muscles to bones
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sternocleidomastoid muscle
attached sternum, clavicle and mastoid process
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extension
process of stretching out; increasing angle of joint
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flexion
proces of decreasing angle of joint
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abduction
process of carrying away from the midline
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adduction
process of carrying toward the midline
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supination
turning the palm or medial side of the foot downward
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pronation
turning the palm or lateral side of foot downward
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dorsiflexion
process of bending back
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plantar flextion
lowering the foot; pointing toes away from shin
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eversion
process of turning out
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inversion
process of turning in
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protraction
process of pulling forward; the forward movement of muscle
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retraction
process of backward pulling; the backward movement of a muscle
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prefix
syn-
together, joined
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prefix
dia-
through, complete
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suffix
-clast
breaking down
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suffix
-oid
full of, like
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suffix
-poiesis
formation
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suffix
-plasia
development
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polydactyly
condition of more than 5 fingers or toes on each hand/foot
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spina bifida occulta
cogenital malformation of the bony spinal canal without involement of psinal cord
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osteitis deformans
misshaped bone resulting from inflammation (Paget disease)
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osteomalacia
softening of the bones
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osteomyelitis
inflammation of the bone and bone marrow
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chondormalacia
softening of the cartilage
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costochondritis
inflammation of the cartilage of the ribs
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arthorsis
abnormal condition of a joint
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baker cyst
cyst of synovial fluid in the popliteal area of leg
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bursitis
inflamatio of bursa
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bunion
painful enlargement and inflammation of the first metararsophalangeal joint
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crepitus
crackling sound heard in joints
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dorsalgia
upper back pain
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ankylosing spondylitis
chronic inflammatory disease of idiopathic origin, which causes a fusion of the spine
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pathologic fractures
aka spontaneous fractures (may by caused by underlying factors)
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sprain
traumatic injury to a joint involving the ligaments
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strain
overuse or over stretching of a muscle or tendon
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dislocation
bone completely out of its joint
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compartment syndrome
serious medical condition resulting of swelling within the fascia
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malunion
refers to when a bone does not mend and realign correctly
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nonunion
if no healing takes place
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sequestrum
a piece of bone that does not have a renewed blood supply will die
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debridement
removal of debris
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external fixation
noninvasive stabilization of broken bones in which no opening is made in the skin
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internal fixation
stabilization of broken bones in their correct position, using pins, screws, plates and so on
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reduction
alignment and immobilization of the ends of a broke bone
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