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cancellous (spongy) bone
contains little spaces like a sponge and is encased in the layers of compact bone
thick, blood like material found in flat bones and at the ends of long bones; location of blood cell formation
made up of bone called vertabrae or vertebra through which the spinal cord runs. the vertebral comlumn prtoects the spinal cord, supports the head, and provides points of attachment for ribs and muscles
second set of 12 vertebrae. They articulate with 12 pairs of ribs to form the outward curve of the spine
next five vertebrae, which fuse together to form a triangular bone positioned between the two hip bones
flexible, tough band of fibrous connective tissue that attaches one bone to another at a joint
Skeletal muscles (striated muscle)
attached to the bones of the skeleton by tendons and make body motions possible
cardiac muscle (myocardium)
forms most of the wall of the heart. Its involuntary contraction produces the heartbeat
carpal tunnel syndrome (CTS)
a common nerve entrapment disorder of the wrist caused by compression of the median nerve
a type of wrist fracture; the fracture is at the lower end of the radius, the distal fragment being displaced backward
disease in which an excessive amount of uric acid in the blood causes sodium urate crystals (trophi) to be deposited in the joints, producing arthritis
rupture of the intervertebral disk cartilage, which allows the contents to protrude through it, putting pressure on the spinal nerve roots; also called slipped disk, ruptured disk, herniated intervertebral disk, or herniated nucleus pulposus (HNP)
an infection caused by a bacteria carried by deer ticks and transmitted to humans by the bite of an infected tick; symptoms vary but may include a rash at the site of the bite and flulike symptoms such as fever, headache, joint pain, and fatigue
muscular dystrophy (MD)
group of hereditary diseases characterized by degeneration of muscle and weakness
myasthenia gravis (MG)
chronic disease characterized by muscle weakness and thought to be caused by a defect in the transmission of impulses from nerve to muscle cell.
abnormal loss of bone density occurring predominantly in postmenopausal women, which can lead to an increase in fractures of the ribs, thoracic lumbar vertebrae, hips, and wrists
rheumatoid arthritis (RA)
a chronic systemic disease characterized by autoimmune inflammatory changes in the connective tissue throughout the body
narrowing of the spinal canal with compression of nerve roots; the condition is either congenital or due to spinal degeneration
the crackling sound heard when two bones rub against each other or grating caused by the rubbing together of dry surfaces of a joint; also called crepitation
branch of medicine dealing with the study and treatment of diseases and abnormalities of the musculoskeletal system
system of medicine that uses the usual forms of diagnosis and treatment but places greater emphasis on the role of the relation between body organs and the musculoskeletal system
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