m t«V£RTENTIA, Art, V, ;, |. ^ 



tained from o.ther lymphatic branches, into the ftomach ; the 

 quantity of which in fome (lifeafes, as in the cholera morbus, is 

 inconceivable. This inverted motion, firft of the abforbents ol 

 the ftomach, and afterwards of the ftomach itfelf, feems to origK 

 jiatc from the exhauftioii or debility, which fucceeds the un«* 

 natural degree of acllon, into which they had been previoufly 

 {Simulated. An unufual defect of ftimulus, as of food without 

 fpice or wine in the ftomachs of thofe, who have been much 

 sccuftcmed to fpicc or wine, w'i\\ induce ficknefs or vomiting ; 

 in this cafe the defective energy of the ftomach is owing to 

 defecl: of accuftomed ftimulus ; while the action of vomiting- 

 £rom digitalis is owing to a deficiency of fenforial power, which 

 is previoufly exhaufted by the excefs of its ftimulus, $ee Se&. 

 XXXV, 1.3. and Clafs IV, 1. 1. 2. 



For (irfl:, no increafe of heat arifes from this action of vomi^* 

 ing ; which always occurs, when the fecerning fyfteni is ftimu- 

 lated into action. Secondly, the motions of the abforbent vef- 

 fcls are as liable to inverfion as the ftomach itfelf ; which laft, 

 with the cefophagus, may be confidered as the abforbent mouth 

 and belly of that great gland, the inteftinal canal. Thirdly^ 

 the clafs of iorbentia, as bitters and metallic falts, given in large 

 doies, become invcrtentia, and vomit, or purge. And laftly, 

 the (xcknefs and vomiting induced by large potations of wine^ 

 or opium, does not occur till next day in fomc people, in none 

 till fome time after their ingurgitation. And tincture of digi- 

 talis in the dofe of 30 or 60 drops, though applied in folution, ist 

 a considerable time before it produces its effect •, though vomiting 

 ji inftantaneoufly induced by a nafeous idea, or a naufeous taftt? 

 in the mouth, At the fame time there feem to be fome mate- 

 rials which can irrmediaely ftimulate the ftomach into fuch pow- 

 erful action, as to he immediately fucceeded by paralyfis of if a 

 and confequent continued fever, or immediate death ; and thl 

 without exciting fenfation, that is, without our perceiving it. 

 Qf thefc are the contagious matter of fome fevers fwallowed 

 with the faliva, and probably a few grains of arfenic taken in fo 

 lution. See Suppl, I. 8- 8- Art. IV. 2. 6. 9, 



3. Some blanches of the lymphatic fyftem become inverted 

 hy their fympaihy with other branches, which are only ftimu- 

 bted into too violent abforption. Thus, when the ftomach and| 

 duodenum are much ftimulated by alcohol, by nitre, or by 

 worms, in fome perfbns the urinary lymphatics have their mo- 

 tion inverted, and pour that material into the bladder, which is, 

 orbed from the inteftines. Hence the drunken diabetes 

 is produced ; and hence chyle is feen in the urine in worm 

 yaf< 



Whci\ 



