2D	Bidimensional
3D	Tridimensional
AAEP	American Association of Equine Practitioners
BM	MSC bone marrow multipotent mesenchymal stromal cells
CL	Collateral ligament
CM	Conditioned medium
cm2	Square centimeter
d	Days
DLPMO	Oblique dorsolateral-plantaromedial
DMEM	Dulbecco’s modified eagle medium
DMPLO	Oblique dorsomedial-plantarolateral
DMSO	Dimethylsulphoxide
DP	Dorso plantar
DPBS	Dulbecco′s phosphate-buffered saline
eSM	MSCs equine synovial membrane-derived multipotent mesenchymal stromal cells
eUC	MSCs equine umbilical cord-stroma-derived mesenchymal stem cell
EV	Extracellular vesicles
FBS	Fetal bovine serum
FGF-2	Basic fibroblast growth factor
G-CSF	Granulocyte colony stimulating factor
GM-CSF	Granulocyte-macrophage colony stimulating factor
IL	Interleukins
IL-1Ra	Interleukin one receptor antagonist
IRAP	Interleukin receptor antagonist protein
ISCT	International Society for Cellular Therapy
IV	Endovenous
KC/GRO	Human growth-regulated oncogene/keratinocyte chemoattractant
Kg	Kilogram
Kv	Kilovolts
LLCL	Long lateral collateral ligament
LM	Lateromedial
LMCL	Long medial collateral ligament
mA	Milliamperes
MCB	Master cell banks
MCP-1	Monocyte chemoattractant Protein-1
mg	Milligram
MHz	Megahertz
min	Minutes
mL	Milliliter
MMP-3	Matrix metaloproteinase-3
MSCs	Mesenchymal stem cells
OA	Osteoarthritis
ORBEA	Organismo Responsável pelo Bem-estar Animal
P	Passage
PBS	Phosphate-buffered saline
pg	Picograms
PRP	Platelet-rich plasma
rpm	Rotations per minute
SEM	Standard error mean
SLCL	Short lateral collateral ligament
SMCL	Short medial collateral ligament
TGF-β	Transforming growth factor-β
TNF-α	Tumor necrosis factor-α
U/S	Ultrasound
VEGF-R1	Vascular endothelial growth factor