I.K.I I I- , IM'TION I . I III. I I I Ml . / /i 



norin:il fen , provided care v,a: (ale,, vvith tin- diet An r - .;;., of 



fa i or indi"e iiUe material caused dianhea and serious IOMH <>\ \'><><\ 



material in I he fece:-;. An infi-f tin." fealun in the lar-e m f< (me 

 i I lie m;irl.ed :di orplion of v.afer. In t he mall mle I me no doubt, 

 water i:; ab orbed in la rye < pia nl il ie :, but it lo i evident: 

 gOOd by OSinoKlh or secretion ' mlo the nile | m , mce the. 



content : at tin ileoc<c ; ,| valve arc o/iite an fluid a^ at the pvlorui. 

 In the lar-'e mle I me t he ab orplion of v.ate/ j not compensated by 

 a. :ecrclion; tin- material become; mote and moje --olid 04 )! ap- 

 proache i he reel um, and i thn formed info the feeeH. The alkaline 

 reaetion of the content.; of the laiye mle lm<- makes a favorabl<: 

 environment ioi the vrowth of baclxtria, partieularl', t he putrefactive 

 bacteria that attad protein material I'nt j'efact ion i- a norm:. I 

 lirence in lh- lai-e inl nd much mlejc t ha been I,- 



in It e.x'ent and it po ible p -I'.,] i;'mf|c;,' 



Bacterial Action in the Small Intestine. Hocteria &rc 



tantly prf ent in both the lar^e and the mall int<- tine I .- 

 normal condition i, howevi dd seem that in the mall intei-lme 



only tho:e [Bacteria capable of fermenting Carbohydrate food hhow 

 any dr tin-t activity. I'ul refarii YI- fe, ment at ion of protein mat. 

 i limited or ab'-ent in thi part of the inte-tin<- a,H long u* t|j(- proo'uctK 

 of protein di;re-iion arr; promptly abnorfxtd. rondilionii that pre- 

 vent or retard thi absorption favor the orriirronce of protein 

 putrefaction Opinion- amony if; if'fer a?- tr> the mean 



by whieh the f>rotejn '-'^ntr-nf.--; are protecterj from the action of the 

 bacteria. It has been shown that the prf-en'-e of '-arhohydrate 

 material lias a restraining effect uf>on j>rotx?in put refaction The 



irnfje t explanation of thr-: relation r that the fermentation of tfie 

 carl>o}jydratx*s ^ives ri-x- to a numfx^r of organic a'-ids laelie, 

 acetic, etc, and these Mldf inhibit the action of the protein 

 teria. 'J'o make tin.-; explanation -atHactory. hov/r-ve; j j nece- 

 sar. that the contents Of the ma: e \XWMM an acid 



oocermng this point opinioi ;: '' Tb " MO/IK 



fie mall intent ine are all alkaline and \ve hfjould | -,eir 



bare thi-- PMU n that the ' 



tem mall intestine are -^<\ or he indi-.- 



i. With pjjenolphthalein they may give a/i M, while 



with litrnu-:, lakmoi' ;, a 



result as t},; f - that, m in<- and;-;. Kurh I 



and laetjc, are pre^mt. the phenolphthalein b' bly 



be CO AH Munk ha^Kt, '-emx that \\>' i he 



small intestine throughout the duodenum and jejunum 



nmiH Maifadyen. Ncricki, and Bieber, loc. cU.; Moore sad 

 merican JoomaJ of F 

 Phy^ologia/ 1 J'i, :u sad 



Ncncki, and Sietjer, ^ c^.; Moora and Bendo. 



"American Journal of iviok*y/' 3, 316, 1900; Munk, " Centrair>Utt7 

 146, 1W2. 



