CH4a Skeletal System WORD DEFINITIONS - HLTH 125

Description

These flash cards are medical terms from the CH 4 Skeletal System: Section 1 that you should know for your weekly exam. This is not an exhaustive list, but are the most common words, which I will probably use as a basis for this week's exam.
Greg Mohnkern
Flashcards by Greg Mohnkern, updated more than 1 year ago
Greg Mohnkern
Created by Greg Mohnkern about 7 years ago
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Resource summary

Question Answer
musculoskeletal pertaining to the muscles and bones
muscular pertaining to muscles
skeletal system consists of the bones and the cartilage, ligaments and tendons that are associated with bones
Functions of the Musculoskeletal System * providing form & shape * protection of soft body parts * movement * blood cell formation *storage of fats and minerals *bones provide support structure for attachment of muscles
bone marrow The side of blood cell production. It is a soft tissue that fills the cavities of bones. *red bone marrow - the site of most blood cell production *yellow bone marrow - produces fat, cartilage and bone
joint the junction where two bones meet
ligaments connective tissue that connects: bone to bone or cartilage to bone
cartilage a rubber-like padding that covers and protects the ends of long bones at joints and is a structural component of the rib cage, ear, nose and intervertebral disks
os bone
ossa bones
osseous pertaining to bone
osteogenesis the formation (generation) of bone; the process of creating new bone matrix
diaphysis the shaft of a long bone; consists primarily of compact bone with bone marrow in the medullary cavity
epiphysis the end part of a long bone; consists primarily of spongy bone that is covered by compact bone
periosteum a tough fibrous membrane that covers the surface of bones (except at the joints) and serves as an attachment for muscle and tendons
medullary cavity an open canal in the center of the diaphysis
Types of Bone Tissue * periosteum *compact (cortical) bone *spongy (cancellous) bone *red bone marrow *yellow bone marrow
Classification of Bones (r/t shape) long bones - as in the arms, legs short bones - as in the wrist and foot flat bones - as in the skull irregular bones - such as the vertebrae
Classification of bones (r/t density) compact (cortical) bone or spongy (cancellous) bone
Names of Projections and Depression found in bones foramen - a opening for nerves and vessels fissure - a slit-type opening fossa - depression on the surface head - the smooth ball-shaped end sinus - a hollow cavity within a bone
axial skeleton axial means "relating to a straight line" The axial skeleton consists of the bones that go in a straight line from the skull to the sacrum. (i.e. - skull, spinal column, ribs/sternum and sacrum)
appendicular skeleton appendicular refers to limbs or things that attach The appendicular skeleton consists of all the appendages (attachments) to the axial skeleton. (i.e. - shoulders, arms, bones of the pelvis and legs)
cranium skull
cranial pertaining to the skull
vertebral column consists of the 26 vertebrae 7 cervcal 12 thoracic 5 lumbar 1 sacrum (5 bones that fuse together) 1 coccyx (four bones that fuse together)
vertebral pertaining to the vertebrae
spinal pertaining to the spine
thoracic cage consists of the thoracic vertebrae, the ribs and the sternum
thoracic pertaining to the chest
thorax chest
xiphoid process the small, lowermost part of the sternum
costal pertaining to the ribs
subcostal pertaining to below the ribs
retrosternal pertaining to behind the sternum
sternal pertaining to the sternum
intercostal pertaining to between the ribs
sternocostal pertaining to the sternum and the ribs
vetebrocostal pertaining to the vertebrae and the ribs
herniated disk a tear formed in the intervertebral disc, allowing the soft central portion to bulge out, resulting in pressure on the spinal nerves and pain
shoulder or pectoral girdle the clavicle and the scapula as one unit
clavicle collarbone
scapula shoulder blade
Upper Extremity Bones humerus - upper arm ulna - forearm, pinky side radius - forearm, thumb side carpals - bones of the wrist metacarpals - bones of the palm phalanges - bones of the fingers
phalanges (pl.) each individual bone of the fingers or toes phalanx (sg.)
The Pelvic Girdle the bones of the pelvis: ilium pubis ischium
The Lower Extremity femur - thigh bone patella - knee cap tibia - large, medial lower leg bone fibula - lateral lower leg bone tarsals - ankle bones (7 bones) metatarsals - between the tarsus & toes phalanges - bones of the toes
tarsus ankle
calcaneus heel bone (the largest of the tarsals)
plantar pertaining to the sole of the foot
connective tissue any tissue that supports, binds or separates other body tissue and parts; includes bones, cartilage, ligaments and tendons
Types of Joints 1) fibrous joints- immovable (skull bones) 2) synovial joints - freely moveable (hip, elbows, wrist) 3) cartilaginous joints - connected by cartilage; less flexible than synovial (pubis symphis)
tendons bands of strong fibrous tissue that connect muscles to bones
chondral pertaining to cartilage
chondorcostal pertaining to the ribs and their associated cartilage tissue
bursa a fluid-filled sac or saclike cavity, especially one countering friction at a joint
bursitis inflammation of the bursa
radiopaque inhibits the passage of x-rays (i.e. - bone); appears white or light on the radiograph (x-ray)
radiolucent allows the passage of x-rays (i.e. - body tissues)
fracture a break in the bone
dislocation the displacement of a bone from a joint
Types of Fractures (complete vs incomplete fracture) complete fracture - the break crosses the entire width of the bone incomplete - the fracture doesn't go thru the entire width of the bone bone
Types of Fractures (open vs closed fracture) open/compound fracture - the bone protrudes through the skin closed/simple fracture - the bone may damage the surrounding tissue, but it does not break through the skin
Types of Fractures (by presentation/style of fracture) 1. impacted - one section of bone driven into another section 2. comminuted - broken into small fragments 3. spiral - the bone is twisted causing a spiral shape 4. stress - caused be repetitive low-impact
pathologic fracture a fracture caused by a disease process
arthralgia joint pain
callus thickened, hardened area of skin that is subject to repeat friction
chondromalacia abnormal softening of cartilage
crepitus or crepitation a grating, crackling or popping sound under the skin; can be caused by bones rubbing or air trapped under the skin
decalcification loss of calcium in the bones
ostealgia or osteodynia bone pain
osteomalacia softening of the bone; known as "rickets" in children who suffer from insufficient calcium
osteopathy any disease of bone
osteoporosis disease process that causes the bone to become porous
osteopenia a condition of decreased bone density; if not corrected it can lead to osteoporosis
osteosclerosis excessive hardening of the bone which leads to unusual heaviness of the bones
Curvatures of the spine 1) lordosis - abnormal inward curvature of the lumbar spine 2) kyphosis (hunchback) - abnormal outward curvature of thoracic spine 3) scoliosis - abnormal lateral curvature of the spine
myelitis inflammation of the bone or spinal cord
spinal stenosis narrowing of the spinal canal leading to pressure on the spinal cord and nerves (stenosis = narrowing)
spondylosis Refers to any degenerative disease of the spine spondyl/o = spine -osis = condition
osteoarthritis arthritis resulting in degeneration of the bones and joints
sprain damage to the ligaments surrounding of a joint d/t overstretching
strain damage to tendons or muscles d/t overstretching of the muscle
subluxation any incomplete dislocation; most commonly used by chiropractors in reference to spinal subluxation
amputation partial or complete removal of a limb
arthroscope instrument used to view inside a joint
arthroscopy the process of viewing inside a joint
arthrocentesis the puncture of a joint with a needle to obtain samples or remove excess fluid
chiropractor healthcare professional concerned with the diagnosis and treatment of malalignment of the spine and musculoskeletal system
orthopedist one who specialized in orthopedics
orthpedics branch of medicine specializing in diagnosis and treatment of conditions of the musculoskeletal system
orthotic pertaining to an orthopedic appliance such as braces and splints
podiatry a healthcare professional specializing in diagnosis and treatment of disorders of the feet and lower legs
prosthetic artificial body part; a device used to substitute for a body part
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