| SHG | Second harmonic generation |
| THG | Third harmonic generation |
| B-SHG | Backward second harmonic generation |
| F-SHG | Forward second harmonic generation |
| Col | Collagen |
| COPD | Chronic obstructive pulmonary disease |
| CARS | Coherent anti-Stokes raman spectroscopy |
| MEMS | Microelectromechanical system |
| GLCM | Gray level co-occurrence matrix |
| IDM | Inverse difference moment |
| RLM | Run length matrix |
| AMT | Angle Measure Technique |
| FFT | Fast Fourier Transform |
| ECM | Extracellular matrix |
| 3D | 3-dimension |
| LDL | Low density lipids |
| ASC | Apdipose stem cell |
| NLOM | Non-linear optical microscopy |
| TPEF | Two photon electron fluorescence |
| BPD | Bronchopulmonary dysplasia |