3D	Three-Dimensional
2D	Two-Dimensional
BMSCs	Bone-Marrow-Derived Mesenchymal Stem Cells
GMs	Gelatin Microspheres
MSC	Mesenchymal Stem Cells
FBS	Fetal Bovine Serum
SEM	Scanning Electron Microscope
TCP	Tissue Culture Plate
PVA	Polyvinyl Alcohol
PBS	Phosphate Buffer Saline
BSA	Bovine Serum Albumin
CIM	Chondrogenic Induction Medium
ITS	Insulin Transferring Selenium
TGF-β3	Transforming Growth Factor Beta 3
IGF-1	Insulin-Like Growth Factor 1
DMMB	1,9-Dimethyl Methylene Blue
CLSM	Confocal Laser Scanning Microscopy
DAPI	4′,6-diamidino-2-phenylindole