g nate. Ayre send com * ssdrogenexchange,nolarge error is introduced by TALE ring,the.entire,viscera.as high activity tisris latibyate,sheesh ef Bectontsrian siaeSesosecoeiyiefTepresenting the less at oreanalysis are adj meeaea1ee pe per mn : Organ liver eeeas coin --vitceraand1296.waaconsidered fatina“standard” aul body;mass,t¢The, observed body water, is | kan~ 3 : equivalent’ ofthe 400.9 | f° 200.0; 9° 200.0 |$00.0 greater than,this.fy ‘theinwatér protein. (carbohydrates 4 tm ~ ‘tritium-which exchanges ye. 89. P1236 | Kidney wo 78°) det f° *ooh. aré\notconsidered bere because theyyconstitute© but 1 8.0 ro 82 0 let iso; j° 15.4 Plasmnssolids Fat —_— - . . : : s i' ; (11), = vestigators The rabbitdata inTable I indicate a difference in lability ‘of: hydrogen atoms ‘in various tissue masses of the body:. No exchange could be de purpose of estimating . correction.a a 70s 2 sig" 910 47 Se. | 6’ sos | 53 &M |-S'S* S3. 61" Oe VST PS 5 far 152,36, i. ie . sue, | <s x 333°} Giseray CH) A. Pulicats _——— $33) 324 a Poly. vers. re | M 33 si2 as ”a Poly.vera 1s | fe Si ‘a3 aa4 apie SF BF| 53]Se sal tae aa aes | Sila — cs —_— |u| cco | ass] are sae Set.poly. “] he 7.8 we 8.7 n 73 u |u| 1 sso o.3 m4 Tt coal sia] osral 302 3s Mii ae S33] 33.1 20 Maan 303 : Mi age-] asa | 630 47.4 403 sasl asa a0 61.4 seal” as ey - *f wete SB. 468 S14 50.0 387 | 444 67.5 HD ‘S17 386 469 . 82 6h 249 75.5 meMean?s244.5--}. S’8t-|--760- Soe meegy ageeteiN | mr 68.2 84.0 |.-867 $2.7 339 | 30.6 374 49.1 385 sbety wenty| A| AEPOE SET : —— re 382 755 “an” iba 11" mot 2Ee eniipyring. 2a ie wi Ji f ‘ ‘8 Gaersy S41 4 37" 42-4} 98" | -. 10 total bed: Com (Ae “4 of.ge" s6C«dtsCsa” 6: . 7 oo | : . 3° 9| ° | ! s responds more or less with visceraand carcass,and _show a consistently higher percentage of exchange than do muscle and G.I. tract. This division cor- = Boke Bote mnie ject | case Age | Titer, Beizht, Wee we oat ‘ | for the ae Totalbodywaterwairheastired withtritum labeled water. Liver, kidney, and plasma. ‘solids tected in fat. 2 bo teaes ars“Total bodywater ofnorma! male subjects _ ‘ 4 mee”“TABLE mt sie ae abnor - —- 0 ment withextiaten of 0596 920%by ote tn —————— ; of 2 Rabie BUTE PaSe:adipose;tissue _ contains little wattrie.‘body,water, shouldequal73%ofthe —— terytbe SaPeCee NOMRIEE ED ft I. tract G. Mork | “waltof 64%. body | en:foritotal: D welghtwad‘tak (in" activity Me expressed eseh e carcass, 24% for total y ottissueof. EAEHiSeEtes a MLS e : STUDIES OF TOTAL. BODY: WATERwing,rerum, a oe eteMPL, PRIVACYACTMATERIAL REMOVED°° oo 395 . $6.7 52.7 a 52.1 x30 a smail fraction of the total organic constituents). Thus‘observed body water per cent = 73% + ve‘specific activity of carcass proteins x per +relative specific activity of cent ventOfbed:weight viscera X per cent of bodyweight. ‘The second term on theright is: | 0.08 x 0.795 x 0.27 x ‘56.5 . .= 0.96% of body weight, 0.13 x 0.795 x 0.27 x 24 == 0.67% of body weight. Where 0.08 and 0.13 arethe relative specific ac tivities for carcass and viscera, 0.795is the fraction of protein in dry, fat-free tissue found by PRIVACY ACT MATERIAL REMOVED ;‘ ; hsJ 4 a: : :