Knee replacement

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Knee replacement

Knee replacement, also known as knee arthroplasty (== Template:IPA ==

The Template:IPA (International Phonetic Alphabet) is a system of phonetic notation based primarily on the Latin alphabet. It was devised by the International Phonetic Association in the late 19th century as a standardized representation of the sounds of spoken language.

Pronunciation

The pronunciation of the term "IPA" is /aɪ piː eɪ/ in English.

Etymology

The term "IPA" is an acronym for the International Phonetic Alphabet. The International Phonetic Association, founded in 1886, created the IPA to provide a single, universal system for the transcription of spoken language.

Related Terms

  • Phonetic notation: A system used to visually represent the sounds of speech. The IPA is one type of phonetic notation.
  • Phonetics: The study of the physical sounds of human speech. It is concerned with the physical properties of speech sounds (phonemes), and the processes of their physiological production, auditory reception, and neurophysiological perception.
  • Phonology: The study of the way sounds function within a particular language or languages. While phonetics concerns the physical production, acoustic transmission and perception of the sounds of speech, phonology describes the way sounds function within a particular language or languages.
  • Transcription (linguistics): The systematic representation of spoken language in written form. The source of the words transcribe and transcription, the term means "to write across" in Latin, and it's the process of converting spoken language into written form. In linguistics, this is often done using the IPA.

External links

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Languages: - East Asian 中文, 日本, 한국어, South Asian हिन्दी, Urdu, বাংলা, తెలుగు, தமிழ், ಕನ್ನಡ,
Southeast Asian Indonesian, Vietnamese, Thai, မြန်မာဘာသာ, European español, Deutsch, français, русский, português do Brasil, Italian, polski), is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability. It is most commonly performed for osteoarthritis, and also for other knee diseases such as rheumatoid arthritis and psoriatic arthritis.

Etymology

The term "arthroplasty" comes from the Greek words "arthro-" (joint) and "-plasty" (formation), meaning the surgical formation of a joint. The term "knee replacement" is self-explanatory, referring to the replacement of the damaged knee joint with an artificial one.

Procedure

In a total knee replacement, the damaged bone and cartilage are removed and replaced with metal components that recreate the surface of the joint. The damaged cartilage at the end of the femur (thighbone) is replaced with a metal shell, while the damaged cartilage at the top of the tibia (shinbone) is replaced with a channeled plastic piece with a metal stem. Depending on the condition of the kneecap portion of the knee joint, a plastic "button" may also be added under the kneecap surface.

Related terms

  • Arthroplasty: A surgical procedure for the reconstruction or replacement of a joint.
  • Osteoarthritis: A type of arthritis that occurs when flexible tissue at the ends of bones wears down.
  • Rheumatoid arthritis: A chronic inflammatory disorder affecting many joints, including those in the hands and feet.
  • Psoriatic arthritis: A form of arthritis that affects some people who have psoriasis — a condition that features red patches of skin topped with silvery scales.

See also

External links

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