M
Matrix
A matrix is something that offers support to something more fragile, and in the knee it usually refers to the cartilage matrix.
Matrix-induced Autologous Chondrocyte Implant
Matrix-induced autologous chondrocyte implantation - or MACI - is a technique of cartilage repair involving growing cells on a matrix. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)
MATT
MATT is an abbreviation for microfragmented adipose tissue transplantation.
MCL
MCL is an abbreviation of 'medial collateral ligament'.
McMurray Test
The McMurray test assesses the integrity of the menisci, the crescent-shaped pair of shock absorbers in the knee. Page updated July 2024 by Dr Sheila Strover (Clinical Editor)
Medial
Medial is a 'position' word, meaning 'on the inner aspect'.
Medial collateral ligament
The medial collateral ligament (MCL) is a band of fibrous tissue supporting the medial (inner) aspect of the knee joint. Page updated May 2024 by Dr Sheila Strover (Clinical Editor)
Medial compartment
The medial compartment is that part of the knee where the femur articulates with the tibia - but referring only to the inner or medial side.
Medial meniscus
The medial meniscus is the shock absorber of the knee on the medial (or inner) aspect of the joint between the femur and tibia bones.
Medial meniscus tear
A medial meniscus tear is a tear of the substance of the shock-absorbing medial meniscus, which is sandwiched between the femur and tibia bones in the knee. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)