from McKinroy, J. F. Kathren, R.L. Voelz, G.L. Swint, M. J. 1991 U. S Transuranium Registry Report on the 239 Pu distribution in a human body Health Physics, Vol. 60 No. 3 307-333 March 1991

... The concentration in the trachoeobronchial lymph nodes was 2.6 Bq/g-1 (71 pCi g-1) which is 25 fold greater than the concentration in the remainder of the lungs and two to four orders of magnitude greater than found in all other tissues.

Table 2. Tissue weights and 239Pu contents

Tissue Wet weight (g) Total 239Pu (Bq) 239Pu mBq g-1 Percent of total in body Percent of systemic
Respiratory tract 1,337 130.0 97 52.8 -
     Lungs 1,303 86.8 67 35.3
     Trachea 17.4 0.07 4.3 0.03
     TBL Nodes 16.5 43.1 2,612 17.5
Liver 1,863 48.6 26 19.7 41.8
Kidneys 326.3 0.09 0.28 0.03 0.1
Spleen 258.3 1.46 5.7 0.6 1.2
Smooth muscle(a) 1,972 0.59 0.3 0.2 0.5
Striated muscle 24,659 8.59 0.35 3.5 7.4
Misc. muscle(b) 945 0.29 0.31 0.1 0.3
Skin 19,688 2.57 0.13 1.0 2.2
Testes 14.4 0.01 0.69 - 0.0002
CNS 1,332 0.18 0.14 0.07 0.2
Other soft tissue(c) 420.1 2.8 6.6 1.2 2.6
     Pituitary 0.54 0.01 28.8
     Gall bladder 26.5 0.11 4.0
     Prostate 24.2 0.1 4.1
Skeleton(d) 8,691 51.2 5.9 20.8 43.9
     Skeleton (ash) 2,681 19.1
(a) GI tract + urinary bladder
(b) Heart, tongue, diaphragm
(c) Pancreas, gall bladder, prostate, peritesticular tissue, eyes, salivary glands, thyroid, pituitary
(d) Including teeth

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