TABLE A1
Mathematic Definitions and Parameters Used for Stylized Rat Model
| Ellipsoids |  | Angle with z-axis | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Organ | a (cm) | b (cm) | c (cm) | x0 (cm) | y0 (cm) | z0 (cm) | θ | |||||
| Liver | 1.8 | 2.35 | 1.15 | 0 | 1 | 0.5 | 0° | |||||
| Spleen | 0.3 | 1.6 | 0.375 | 0.5 | 1.25 | −1 | −13° | |||||
| Kidney | 0.5 | 0.7 | 1.1 | ±1 | 0 | −1.5 | 0° | |||||
| Surface | 0.4 | 0.6 | 1.0 | ±1 | 0 | −1.5 | 0° | |||||
| Cortex | 0.3 | 0.45 | 0.725 | ±1 | 0 | −1.5 | 0° | |||||
| Lungs | 0.475 | 1.6 | 1.9 | ±0.75 | 1 | 3.5 | ±10° | |||||
| Heart | 0.6 | 0.7 | 1.0 | 0 | 0 | 4 | 0° | |||||
| Stomach | 0.75 | 1.1 | 1.75 | 0 | −2 | −0.5 | 0° | |||||
| Small bowel | 1.9 | 0.5 | 2.5 | 0 | −1 | −2 | 0° | |||||
| Large bowel | 0.63 | 2.31 | 2.36 | 0 | 0 | −5 | 0° | |||||
| Thyroid | 0.29 | 0.074 | 0.66 | 0 | 2 | 5 | 0° | |||||
| Pancreas | 1.8 | 0.5 | 0.26 | 0 | 0 | −0.5 | 0° | |||||
| Bladder wall | 0.2 | 0.5 | 0.625 | 0 | −0.25 | −10 | 0° | |||||
| Contents | 0.15 | 0.45 | 0.575 | 0 | −0.25 | −10 | 0° | |||||
| Testis | 0.47 | 0.94 | 0.94 | ±0.47 | 1.0 | −10 | 0° | |||||
| Skull | 0.85 | 1.6 | 4.0 | 0 | 0 | 10.5 | 0° | |||||
| Brain | 0.75 | 1.5 | 1.5 | 0 | 0 | 10.5 | 0° | |||||
| Body contour | 1.65 | 13.3 | 12.9 | 0 | 0 | 0 | 0° | |||||
| Cylinders |  | Angle | ||||||||||
| Organ | r (cm) | A (cm) | x0 (cm) | y0 (cm) | z0 (cm) | θ | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Femur | 0.2 | 5.55 | ±0.79 | −1 | −9 | ±4.5° | ||||||
| Marrow | 0.1 | 2.3 | ±0.79 | −1 | −9 | ±4.5° | ||||||
| Elliptical tori |  | |||||||||||
| a (cm) | b (cm) | c (cm) | ȳ (cm) | |
|---|---|---|---|---|
| Spine | 42.5 | 0.25 | 0.2 | 39.25 |
| Spinal core | 42.5 | 0.1 | 0.1 | 39.25 |