Medical Terminology Simplified

10–54 A total hip replacement (THR), or total hip arthr/o/plasty, is a surgical

procedure that replaces the upper end of the thighbone (femur) with a metal ball

and resurfaces the hip socket (acetabulum) with a metal shell and plastic liner.

The acetabulum is plastic coated to avoid metal-to-metal articulating surfaces.

(See Fig. 10–7.)

Use arthr/o to build a term that means surgical repair of a joint.

____________________ / _____ / _________________________.

10–55 The surgical procedure to replace a hip joint that has been destroyed

by disease or osteoarthritis is known as total hip arthroplasty, or

____________________(abbreviation).

10–56 Just as a piece of machinery is lubricated by oil, joints are lubricated by

synovial fluid. The fluid is secreted within the synovial membranes.

Synovial fluid allows free movement of the ____________________.

10–57 To aspirate or remove accumulated fluid from a joint, a surgical puncture

of a joint is performed. This surgical procedure is called

____________________ / _____ / ____________________.

10–58 A person with arthr/itis suffers, not only from an inflammation of the

joints, but also from arthr/algia.

Construct another medical word that means pain in a joint.

____________________ / _____ / ____________________

Frame 10–51to Frame 10–58

Skeletal System • CHAPTER 10 475

arthr/o/plasty

ĂR-thrō-plăs-tē

Pelvis

Acetabulum

Femur

Femur

Femoral

neck and

head

Acetabulum
cap

Femoral
shaft

Figure 10-7Total hip replacement. (A)Right total hip replacement. (B)Radiograph
showing total hip replacement of an arthritic hip.

A B

THR

joints

arthr/o/centesis

ăr-thrō-sĕn-TĒ-sĭs

arthr/o/dynia

ăr-thrō-DĬN-ē-ă