Superficial part of tibial collateral ligament
Joints and ligaments · Latin: Pars superficialis ligamenti collateralis tibialis
TIBIAL COLLATERAL LIGAMENT
The tibial collateral ligament (TCL), or Medial collateral ligament (MCL) is one of the four major ligaments of the knee.
It is on the medial (inner) side of the knee joint in humans and other primates.
Its primary function is to resist outward turning forces on the knee.
Definition from Wikipedia, CC BY-SA 4.0.