| A | Cross-Sectional Area |
| C | Capacitance |
| CFD | Computational Fluid Dynamics |
| CoW | Circle of Willis |
| CT | Computed Tomography |
| D | Dimensional |
| FSI | Fluid Structure Interaction |
| I | Current |
| IA | Intracranial Aneurysm |
| Blood Resistance | |
| L | Inductance |
| LPM | Lumped Parameter Model |
| MRI | Magnetic Resonance Imaging |
| ODE | Ordinary Differential Equation |
| P | Pressure |
| PC | Phase Contrast |
| PDE | Partial Differential Equation |
| PIV | Particle-Image Velocimetry |
| Q | Flowrate |
| R | Resistance |
| SPECT | Single-Photon Emission Computed Tomography |
| t | Time |
| U | Voltage |
| WK | Windkessel |
| z | Vessel Length |
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