NCIt definition : A small flat triangular bone in front of the knee that articulates with the femur
and protects the knee joint.;
Alternative definition : CDISC: A small bone in front of the femorotibial joint that articulates with the femur.; NCI: A large sesamoid bone found in the distal femur/proximal tibial region of the
hindlimb of tetrapods. The patella is the attachment site for proximal hindlimb tendons.;