A. Anterior cruciate ligament.
B. Anterior cruciate ligament.
C. Medial collateral ligament.
D. Lateral collateral ligament.
The ligament shown in the picture above represents Medial collateral ligament.
The medial collateral ligament (MCL), or tibial collateral ligament (TCL), 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 valgus forces on the knee.It is a broad, flat, membranous band, situated slightly posterior on the medial side of the knee joint.