Table 6 Target tissue regions and their masses (kgs) as given in ICRP 133*
Masses inclusive of blood (kg) | |||
|---|---|---|---|
Target region | Adult male | Adult female | Acronym |
Oral Mucosa | 3.58E − 02 | 2.25E − 02 | O-mucosa |
Esophagus | 9.50E − 05 | 8.80E − 05 | Esophagus |
Stomach stem cell layer | 6.16E − 04 | 6.16E − 04 | St-stem |
Small intestine stem cell layer | 3.71E − 03 | 3.45E − 03 | SI-stem |
Right colon stem cell layer | 1.35E − 03 | 1.19E − 03 | RC-stem |
Left colon stem cell layer | 1.26E − 03 | 1.16E − 03 | LC-stem |
Rectosigmoid Colon stem cell layer | 7.59E − 04 | 6.99E − 04 | RS-stem |
ET1 basal cells | 2.00E − 05 | 1.70E − 05 | ET1-bas |
ET2 basal cells | 4.50E − 04 | 3.90E − 04 | ET2-bas |
Extrathoracic lymph nodes | 1.60E − 02 | 1.27E − 02 | LN-ET |
Bronchi basal cells | 4.30E − 04 | 3.90E − 04 | Bronch-bas |
Bronchi secretary cells | 8.60E − 04 | 7.80E − 04 | Bronch-sec |
Bronchioles secretary cells | 1.90E − 03 | 1.90E − 03 | Bchiol-sec |
Alveolar interstitial | 1.10E + 00 | 9.04E − 01 | AI |
Thoracic lymph nodes | 1.60E − 02 | 1.27E − 02 | LN-Th |
Red (active) marrow | 1.39E + 00 | 1.06E + 00 | R-marrow |
Endosteal cells | 5.80E − 01 | 4.33E − 01 | Endost-BS |
Brain | 1.52E + 00 | 1.35E + 00 | Brain |
Lens of the eye | 4.00E − 04 | 4.00E − 04 | Eye-lens |
Pituitary gland | 6.28E − 04 | 6.18E − 04 | P-gland |
Tongue | 7.64E − 02 | 6.19E − 02 | Tongue |
Tonsils | 3.14E − 03 | 3.09E − 03 | Tonsils |
Salivary glands | 8.90E − 02 | 7.22E − 02 | S-glands |
Thyroid | 2.34E − 02 | 1.95E − 02 | Thyroid |
Breast | 2.62E − 02 | 5.15E − 01 | Breast |
Thymus | 2.62E − 02 | 2.06E − 02 | Thymus |
Heart wall | 3.86E − 01 | 2.91E − 01 | Ht-wall |
Adrenals | 1.74E − 02 | 1.55E − 02 | Adrenals |
Liver | 2.36E + 00 | 1.81E + 00 | Liver |
Pancreas | 1.74E − 01 | 1.45E − 01 | Pancreas |
Kidneys | 4.22E − 01 | 3.57E − 01 | Kidneys |
Spleen | 2.284E − 01 | 1.87E − 01 | Spleen |
Gall bladder wall | 1.05E − 02 | 8.25E − 03 | GB-wall |
Ureters | 1.68E − 02 | 1.55E − 02 | Ureters |
Urinary bladder wall | 5.11E − 02 | 4.08E − 02 | UB-wall |
Ovaries | 0.00E + 00 | 1.26E − 02 | Ovaries |
Testes | 3.72E − 02 | 0.00E + 00 | Testes |
Prostate | 1.78E − 02 | 0.00E + 00 | Prostate |
Uterus | 0.00E + 00 | 8.25E − 02 | Uterus |
Systemic lymph nodes | 1.58E − 01 | 1.26E − 01 | LN-Sys |
Skin | 3.47E + 00 | 2.42E + 00 | Skin |
Adipose tissue | 1.75E + 01 | 2.18E + 01 | Adipose |
Muscle | 2.98E + 01 | 1.79E + 01 | Muscle |