ACL	Anterior cruciate ligament
AM	Anteromedial (bundle of the ACL)
DAB	3,3′-diaminobenzidine
DOV	Deep MCL—meniscofemoral & meniscotibial components (contextually used)
EL	Epiligament
EPC	Endothelial progenitor cell
EPCs	Endothelial progenitor cells
FLEX	EnVision™ FLEX+ detection system
IHC	Immunohistochemistry
L-PRF	Leukocyte- and platelet-rich fibrin
MCL	Medial collateral ligament
MSC	Mesenchymal stem cell
MSCs	Mesenchymal stem cells
NIH	National Institutes of Health (ImageJ)
PCL	Posterior cruciate ligament (appears in comparative anatomical text)
PL	Posterolateral (bundle of ACL)
POL	Posterior oblique ligament
R	Statistical software R
RCT	Randomized controlled trial (appears in cited studies)
SMA/α-SMA	Alpha-smooth muscle actin
TDSC	Tendon-derived stem cell
TLA	Three-letter acronym
VEGF	Vascular endothelial growth factor