Anatomy Word Scramble
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Term | Definition |
articulation | site where two or more bones meet (joint) gives skeleton mobility and hold together |
functional classification | based on amount of movement occurring at the joint synarthroses, amphiarthroses, and diarthroses |
synarthroses | no movement sutures of the skull |
amphiarthroses | little movement acromioclavicular |
diarthroses | freely movable glenohumeral, elbow, fingers |
structural classification | based on what binds the bones together fibrous joints, cartilaginous joints, and synovial joints |
fibrous joints | bones are united by collage fibers sutures |
cartilaginous joints | bones are united by a plate of cartilage ribs of sternum, pubic symphysis |
synovial joints | bones are separated by joint cavity very movable diarthroses |
structure of synovial joint | articular cartilage, joint cavity, synovial fluid, joint capsule, and reinforcing ligaments |
articular cartilage | hyaline cartilage found on the ends of long bones |
joint cavity | space that surrounds the joint |
synovial fluid | reduce friction nourishes cartilage cells |
joint capsule | encloses the joint composed of fibrous capsule (outer layer of joint capsule) and synovial membrane (lines inside of the fibrous capsule) |
reinforcing ligaments | strengthen and stabilize joint |
bursae | sacs filled with synovial fluid that reduce friction |
tendon sheaths | elongated bursae which wrap around tendons, reduce friction |
sprain | a ligament is stretched or torn heal very slowly |
dislocation | bones are forced out of alignment |
temporomandibular joint (tmj) | formed by mandibular condyles of the mandible and the mandibular fossae of the temporal bones |
shoulder (glenohumeral) joint | glenoid labrum: rim of fibrocartilage ligaments: glenohumeral ligament, acromioclavicular ligament, coracoacromial ligament, coracoclavicular ligament rotator cuff muscles: supraspinatus, infraspinatus, teres minor, subscapularis (SITS) |
elbow joint | trochlea of humerus and trochlear notch of the ulna; capitulum of the humerus and head of the radius; radial notch of the ulna and head of the radius; olecranon fossa of the humerus and olecranon process of the ulna ligaments: ulnar collateral ligament; |
hip joint | formed by head of femur and acetabulum of coxal bone acetabular labrum: circular rim of fibrocartilage ligaments: ligaments of the joint capsule (thickenings that help strengthen coxal joint); ligament teres (attaches head of femur to acetabulu, no role |
knee joint | formed by medial & lateral condyles of femur and medial & lateral articular surfaces (condyles) of the tibia minisci: fibrocartilage disks (between tibial & femoral condyles) ligament: patellar ligament, medial collateral ligament (tibia), lateral colla |
ankle joint | lateral malleolus of the fibula medial malleolus of the tibia talus anterior tibiofibular ligament posterior tibiofibular ligament anterior talofibular ligament posterior talofibular ligament calcaneofibular ligament medial (deltoid) ligament of a |
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hharki
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