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type of stress fracture that occurs when abnormal stress or torque is applied to a bone (joggers/runners)
type of stress fracture that occurs in bones that lack the normal ability to form and recover
inflammatory response, part of the bone healing process triggered by bone destruction
inflammation of a tendon where in attaches to the bone, caused by degeneration of tissue rather than inflammation
state of increased metabolic activity in bone d/t abnormal and excessive bone remodeling, leads to disorganized, thickened, enlarged, soft bones.
bone infection commonly dt s. aureas. can be exogenous (outside the body) or endogenous (from the blood)
ischemic necrosis of bones
caused by local vessel damage, usually d/t bacteria (osteomyelitis) because bone microcirculation is extremely vulnerable to damage and destruction by bacterial toxins.
area of devitalized bone d/t blood vessel damage, complication of bone abscess in children, which can lift the periosteum from the bone
malignant, aggressive osteogenic tumor most often found in bone marrow, and located in the metaphyses of long bones
preoperative chemo increases number of limb salvage procedures, which are preferred to amputation
inflammatory joint disease
inflammatory destruction of synovial membrane and articular cartilage. systemic signs of inflammation (fever, malaise, anorexia, leukocytosis) are also present
disease in which bone tissue is normally mineralized but the mass (bone density) is decreased & the structural integrity of trabecular bone is impaired.
osteoporosis confined to a region or segment of the appendicular skeleton. Associated w/disuse or immobilization of a limb bc of fractures, motor paralysis, bone or joint inflammation. Negative calcium balance develops early & continues throughout period of immobilization.
Degeneration of articular cartilage around joints, damages bone ends. Related to aging and use. No systemic inflammation is present.
chronic inflammatory joint disease characterized by stiffening and fusion (ankylosis) of spine and sacroilliac joints (no lumbar curve). Is autoimmune in nature and ass'd with histocompatibility antigen HLA-B27
inflammatory syndrome caused by uric acid crystals in the blood and synovial fluid which are deposited in the joints, (and kidneys) causing acute painful inflammation (and renal failure).
small white nodules that are visible thru the skin in individuals with chronic gout. Caused by continous deposition of uric acid crystals in cutaneous tissues.
Chronic musculoskeletal syndrome. Diagnosed by presence of widespread joint and muscle pain, fatigue, and tender points (9 pairs)
physeal growth plate
layer of cartilage between the metaphysis and epiphysis of long bones. Retains the ability to form new cartilage and bone and growth of bone length until the skeleton matures, the plate closes and growth stops.
Formed in the muscle from creatine at a rate of 2%/day. Used to estimate the total mass of muscle in the body by measuring levels in a urine or serum/blood test.
Webbing of the fingers, most common congenital defect of upper extremities. Can be simple, involving only soft tissues, or complex, involving fusion of nails, bones and tissue.
juvenile rheumatoid arthritis
systemic inflammatory disease which mostly affects large joints (hips, shoulders, knees). More rapid and acute than adult form
avascular disease of bones caused by insufficient blood flow during periods of rapid bone growth. Bones are not able to grow as they should.
causes of osteochondrosis
vascular impairment and trauma, underlying developmental or genetic predisposition
type of osteochondrosis that affects the hips. Caused by recurrent interruption of blood supply to the femoral head. The ossification center becomes necrotic, collapses, and is remodeled by live bone.
Osteochondrosis of the tibial tubercle and anterior patellar tendonitis caused by stress and overuse, commonly seen in boys who play sports.
X-linked recessive disease, most common of MDs, affects boys. Caused by defect in the gene for dystrophin, causes poorly anchored muscle fibers which are destroyed under repeated stress. Calcium then enters the cells, causing death and necrosis of muscle fibers
mild form of autosomal dominant MD. Inherited from either parent, effects boys and girls equally. Characterized by weakness and atrophy of the facial and shoulder girdle muscles
most common malignant bone tumor of childhood, originates from mesenchymal cells. Tumors extend beyond bones into soft tissues, and most often met. to the lungs.
2nd most common and most lethal malignant bone/soft tissue tumor of childhood. Arises from bone marrow to form soft tissue mass.
most common soft tissue sarcoma of childhood, develops anywhere there is striated (voluntary) muscle.
congenital genetic disorder of connective tissue. Caused by mutation of the gene that encodes for collagen.
hip maintains contact with acetabulum but is not well-seated. Usuall the femur head is normal, with a shallow/dysplastic acetabulum
mechanisms used by the body to balance thermal inputs and losses to maintain constant core temp. Major mediators are eccrine/sweat glands.
stage 2 pressure ulcer
breakdown of skin involving dermis and epidermis: shallow open ulcer or serum-filled blister
allergic contact dermatitis
Caused by sensitization to an allergen that contacts the skin (poison oak/ivy). Lesions occur several hours after contact
collection of infected hair follicles, or boils. Commonly found on the thighs, upper back and back of neck
discoid lupus erythematosis
cutaneous response to environmental allergen or reaction to UV light d/t autoimmune susceptibility of persons with SLE. Commonly seen as a butterfly lesion of the face
shingles, very painful outbreak of lesions along nerve tract in persons who have had chickenpox
"ringworm"; fungal infection of the epidermis. Results from contact with cats, dogs, rodents. Results in round or oval lesion with scaling and a clear spot in the middle
sclerosis of the skin that may progress to internal organs. Cause is unknown but associated with autoantibody response, and genetics. Occurs most often in women.
basal cell carcinoma
Most common type of skin cancer in whites, begins on top layer of epidermis in basal cells. Commonly found on sun-exposed areas. Growth is slow and rarely metasizes. Damage to surrounding tissues is a concern.
squamous cell carcinoma
can be in situ or invasive. Affects sun-exposed areas. Mutation of the TP53 gene. Grows more rapidly than BSC, but rarely invades surrounding tissues or metasizes
malignant tumor of the skin, originates from melanocytes. usually arises from a benign melanocytic nevus (mole).
vascular malignancy associated with a type of herpesvirus, most often seen in immune-suppressed persons
fungal or dermatophyte infection affecting the nail plate. Affects 12-18% of the population
contagious, acute form caused by group A Strep.pyogenes. Lesions begin as small vesicles w/ honey colored serum and form crusts as the vesicles rupture
highly contagious poxvirus of the skin primarily seen in children. Poxvirus blocks body's immune response, and body stops fighting virus, causing the rash to spread.
fungal infection caused by c. albicans. characterized by formation of white plaques in the mouth
usually mild, communicable disease of children and young adults. caused by an RNA virus that enters the bloodstream thru resp. route.
fever, enlarged lymph nodes, conjunctivitis, runny nose, barking cough, malaise, purple-brown rash begins on head, spreads to trunk and extremities
highly contagious parasite that survives by sucking blood. Primary lesion is an itchy, red, pinpoint macule, papule or wheal with a hemorrhagic puncture site. Itchy.
contagious disease caused by itch mites. Primary lesions are itchy burrows, papules, vesicular lesions.
most common pediatric birthmarks. congenital abnormalities of blood vessels that tend to persist throughout life.
deep hemangioma, larger and involving more mature vessels than strawberry hemangiomas. Usually involutes by age 9.
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