BSCI201 Study Guide Exam 3

BSCI201 Study Guide Exam 3 - BSCI201 Study Guide Exam 3...

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BSCI201 Study Guide Exam 3 Joints - Three structural classifications o Fibrous Sutures – synarthrosis Joints held together with very short interconnecting fibers and bone edges interlock – found only in the skull Gumphosis – synarthrosis Peg in socket joint – periodontal ligament holds tooth in socket - tooth Syndesmosis – amphiarthroses Held together by a ligament – fibrous tissues vary in length but is longer than in sutures; hold fibula and tibia together o Cartilaginous Synchondrosis – synarthrosis Bones united by hyaline cartilage – manubrium of sternum Symphisis – amphiarthroses Bones united by fibrocartilage – pubic symphysis o Synovial Monoaxial - diarthroses Biaxial - diarthroses Triaxial – diarthroses 6 types based on shape of articular surfaces plane - carpals hinge – humerus and ulna pivot – ulna and radius condyloid – metacarpal and phalange saddle – carpal and metacarpal ball and socket – head of humerus and the scapula - Three functional classifications o Synarthroses
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Immovable o Amphiarthoses Slightly movable o Diarthroses Freely movable - Common Joint injuries o Dislocation of shoulder Ball and socket joint Stability is sacrificed for greater freedom of movement Bones are forced out of alignment – inflammation and joint immobilization o Sprains Ligaments are stretched or torn Slowly repair or if worse, surgical repair o Cartilage tears Compression and shear stress causes it Rarely repairs itself; repaired with arthroscopy surgery o Bursitis Inflammation of bursa, usually caused by a blow or friction Treated with rest and ice – if severe, anti-inflammatory drugs o Tendonitis Inflammation of the tendon sheaths caused by overuse Treatment and symptoms similar to bursitis o Arthritis Inflammatory disease that damages joints Causes pain, stiffness, and swelling of joint Chronic forms Osteoarthritits o Common, irreversible, degenerative o Related to the normal aging process
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o Treat with moderate activity and mild pain relievers Rheumatoid o Chronic inflammatory autoimmune disease of unknown cause o May occur at any age o Begins with synovitis of affected joint o Inflamed synovial membrane thickens into a pannus o Treatment: conservative therapy, progressive treatment – anti-inflammatory drugs, new biological response modifier drugs neutralize inflammatory chemicals Gouty o Deposition of uric acid crystals in joints and soft tissues followed by inflammation o Affects joint at the base of the great toe o Treatment – drugs, plenty of water, and avoidance of alcohol Lyme disease o Caused by bacteria transmitted by the bites of ticks o Symptoms: skin rash, flu-like symptoms, foggy thinking – may lead to joint or arthritis pain – treat with antibiotics - Percy Julian! o
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This note was uploaded on 12/01/2010 for the course BSCI 202 taught by Professor Opoku during the Fall '08 term at Maryland.

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BSCI201 Study Guide Exam 3 - BSCI201 Study Guide Exam 3...

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