Tissue weighting factor
The dimensionless quantity tissue weighting factor (wT) represents the fraction of health risk attributable to the specific tissue or organ. The factors are normalized:
∑ wT = 1
| organ | tissue weighting factor (wT) |
|---|---|
| breast tissue | 0.12 |
| large intestine | 0.12 |
| lungs | 0.12 |
| stomach | 0.12 |
| red bone marrow | 0.12 |
| gonads | 0.08 |
| bladder | 0.04 |
| liver | 0.04 |
| thyroid | 0.04 |
| oesophagus | 0.04 |
| bone surface | 0.01 |
| brain | 0.01 |
| skin | 0.01 |
| salivary glands | 0.01 |
| remainder group | 0.12 |
The remainder group consists of the following 13 organs: pancreas, uterus/cervix or prostate, adrenal glands, small intestine, extra thoracic region, gall bladder, heart, lymph nodes, spleen, oral mucosa, kidneys, skeletal muscle, and thymus.
Related units
| Last modified: | 08 April 2024 11.24 a.m. |
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