TABLE 4.

Human Radiation Dosimetry Estimates for Select Organs

AverageAverage
Organrad/mCimGy/MBqrem/mCimSv/MBq
Adrenals0.037 (0.002)0.010 (0.001)
Brain0.034 (0.004)0.009 (0.001)
Breasts0.022 (0.005)0.006 (0.001)
Gallbladder0.032 (0.007)0.009 (0.002)
Lower large intestine0.052 (0.008)0.014 (0.002)
Small intestine0.069 (0.019)0.018 (0.005)
Stomach0.051 (0.022)0.013 (0.006)
Upper large intestine0.070 (0.021)0.019 (0.006)
Myocardium0.035 (0.005)0.009 (0.001)
Kidneys0.040 (0.009)0.011 (0.002)
Liver0.024 (0.002)0.007 (0.000)
Lungs0.039 (0.009)0.010 (0.002)
Muscle0.028 (0.001)0.007 (0.000)
Ovaries0.044 (0.007)0.012 (0.002)
Pancreas0.035 (0.006)0.009 (0.002)
Red marrow*0.104 (0.025)0.028 (0.007)
Osteogenic cells*0.288 (0.086)0.077 (0.023)
Skin0.022 (0.004)0.006 (0.001)
Spleen0.029 (0.003)0.008 (0.001)
Testes0.029 (0.006)0.008 (0.002)
Thymus0.026 (0.005)0.007 (0.001)
Thyroid0.029 (0.005)0.008 (0.001)
Urinary bladder*0.300 (0.049)0.080 (0.013)
Uterus0.051 (0.008)0.014 (0.002)
Total body0.043 (0.001)0.012 (0.000)
Effective dose equivalent0.074 (0.004)0.020 (0.001)
Effective dose*0.062 (0.004)0.017 (0.001)
  • * Organs receiving highest dose.

  • n = 8; calculated using OLINDA. Data in parentheses are SDs.