| 2D | Two-dimensional |
| 3D | Three-dimensional |
| fT3 | Free triiodothyronine |
| fT4 | Free thyroxine |
| g | Gravity, acceleration |
| MCS | Multicellular spheroids |
| MIB-1 | Ki-67 equivalent antibodies |
| PKA | Protein kinase A |
| PKC | Protein kinase C |
| PPAR | Peroxisome proliferator-activated receptor |
| RPM | Random Positioning Machine |
| SM | Sphingomyelin |
| STAT3 | Signal transducer and activator of transcription 3 |
| TSH | Thyroid-stimulating hormone |
| TSHR | Thyroid-stimulating hormone receptor |
| µg | Microgravity |
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