Joints

Describe three things that joints experience as we age.

decreased production of synovial fluid Thinning of articular cartilage Loss of ligament length and flexibility

synarthrosis

immovable joint and an example is sutures between the skull bones

define joint

is a point of contact between two or more bones, cartilage and bone, and teeth and bone

diarthrosis

reely movable joint also known as a synovial joint and an example is the elbow joint

job of bursae

sac-link structure filled with synovial fluid that cushions movement of one body part over another

amphiarthrosis

slightly movable joint and an example is the pubic symphysis

athroplasty

surgical procedure to restore the function of a joint

tendon sheaths

tube-like bursae the wrap around tendons subject to a great deal of friction