Concepts Of Medical Terminology 4 Flashcards
Root: my/o
Muscle
Root: fasci/o
Fascia
Root: ten/o tendin/o
Tendon
Root: Ton/o
Tone
Root: kinesi/o kine
Movement
Types of Muscle Tissue
- Smooth (Visceral)
- Cardiac Muscle
- Skeletal Muscle
Smooth (Visceral) Muscle
- makes up walls of hollow organs
- walls of ducts, bronchioles, and blood vessels
- muscle operates involuntarily
- responsible for peristalsis of digestive system
Cardiac Muscle
- makes up myocardium of heart
- functions involuntarily: pumping the heart
Skeletal Muscle
- Attached to bones of skeleton
- maintains posture
- maintains large proportion of body heat
- voluntary system
Muscle Action
- Muscle works in pairs to produce movement
- Prime mover contracts: the antagonist must relax
- Beginning and end of a muscle
- Muscles composed of individual cells - fibers, held together in bundles by connective tissue
- Covering muscle is fascia - connective tissue that covers a muscle
- Tendon attaches muscle to bone
Prime Mover
Referring to agonist; Carries out primary Movement
Antagonist
Opposing muscle to the agonist (must relax when primer mover contracts)
Origin
(The attachment) end of a muscle that is fixed
Insertion
The end of a muscle attached to the moving part of a skeleton
Fascia
Fibrous sheath of connective tissue that covers muscle
Neuromuscular Junction
Point of contact between a branch of a motor neuron and a muscle cell. Also called myoneural junction
Tendons
Attach muscle to bone
Sprain
A joint injury in which some or all of the fibers of a supportive ligament are ruptured. Pain with a sprain depends on the degree of the injury.
Grade 1 - mild
Grade 2 - moderate
Grade 3 - severe
Ligaments attach from one bone to another bone.
Sprain - ligaments
Strains
To injure by overuse or improper use of a muscle or by excessive stretch. Trauma to the muscle and tendon from violent contraction or excessive force.
Strain - muscles
Dislocation
Occurs when the ligaments protecting a particular joint are torn under pressure of an outward force. The entire joint can separate so the 2 surfaces no longer meet.
Subluxation
Partial or incomplete dislocation of the articular surfaces of a joint.
Inflammation: suffix “itis”
Symptoms of inflammation - pain, heat, redness, swelling and loss of function.
Arthritis
Inflammation of a joint
Bursitis
Inflammation of a bursa, fluid filled sac situated between tissues where friction occurs
Tendinitis
Inflammation of a tendon sheath
Synovitis
Inflammation of a synovial membrane, the lubricating fluid of a joint
Arthrodesis
Surgical fixation of a joint, fusion
Arthroplasty
An operative procedure that attempts to re-create a joint as nearly like the original as possible (plasty: to mold). Plastic or metal repair of a joint.
Osteotomy
Incision or transection of a bone.
Laminectomy
The removal of a small portion of the vertebra (posterior arch/lamina) in order to remove an intervertebral disk.
The procedure is most often performed to relieve the symptoms of a ruptured disk. During the laminectomy the spinal cord is exposed and the portion of the nucleus pulposus that has herniated through the ruptured disk is removed. Sometimes this is followed by fusion of the adjacent vertebrae as a means of stabilizing the part of the spinal column in a fixed position. Bone grafts, usually taken from the iliac crest, are applied to fuse the affected vertebrae permanently, resulting in limitation of movement of this portion of the spine.
Meniscectomy
Removal of the meniscus cartilage of the knee.
Prosthesis
Artificial substitute for a body part.
Ataxia
Lack of muscle coordination.
Atrophy
Wasting away; a decrease in the size of a tissue or organ, such as the wasting of muscle from misuse.
Avulsion
Forcible tearing away of a part.
Kinesthesia
Awareness of a movement; perception of weight direction and degree of movement.
Ankylosis
Immobility and consolidation of a joint due to disease, injury or surgical procedure.
Crepitation
Dry, crackling sound or sensation
Degeneration
Deterioration; change from higher to lower form; tissue to a lower or less functionally active form.
Exacerbation
Increase in the severity of a disease or any of its symptoms.
Remission
Symptoms of a disease subside or stop.
Osteoporosis
Decrease in mass of bone, thinning of bone mass.
Systemic
Pertaining to or affecting the body as a whole.