The hygrology, or chemico-physiological doctrine of the fluids of the human body

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the cavlty of the stomach. The SECRETORY ORGAN is composed by the exhaling oscula of the very numerouS arteriesu hich bedew every part of the stomach. It is continuatly mixed with the ingested sood, and when the stomach is empty, is expelled into the smali intestines and absorbed by the mouilis of the lai teai vesteis. Sometimes this juice, is thebo ly be bent sorward, regurgitates frona an empty stomach through the oesophagus into thecavi ty of the mouth.

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it very eas ly unites With Gater, but never. iiii blood. It is not coagulated by acias nor alla es. But by alcobol of reine a smali quantity os an albumininas mass is precipitated. Les to iis it does not putrefy, but even xesista animal putrefaction, and the acid fermentation of gelabos. In this quality it principalty disthi si sotia saliva. EVERY RiND of gastric juice coagulates mire. For it is a property not otily peculiar to the stomach of phytophagous, but also to those offul Cophagous, ruminant, and non-ruminant ani-naals. The human stomach and that os aborame rufes have a lso this quality. Even the very cheese obtained frona the milhos an heifer's stomach, coagulates milli. And hat is most Wondea fui, the stomach itself either et, or caret utly dried without artificiat heat, or a med with the lixivium os sali os tartar, has the

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i46 The CHEMICO-PHYSIOLOGICAL Doctrine sanae power ; for si X grains of the internat in m. brane of the stomach, infused wilh water, coagi lates above one hundred pounds of milli.

3. Cusina Sali, produced by chemicat analysis. q. Gasiric aci. hicli is generat ly belleved to beari acid With properties peculiar to iis eis; but by sorne supposed to be phosphorio acid mixta wim a s mali quantity of volatile aikali.

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of the FLUIDS of the HUMAN BODY. 14 It is asserted that froin the maceration os fressa flesi si illi culinary sali in water, an artificiat juice 1Day be obtained similar to natural gastric juice. Gastrie juice distilledio dryness, gives out Water, whicli is neither acid nor aikaline. Sometimes altille volatile aikali and empyreumatis oti, whichappears to be the products of the albumen.

The remaining masse consists of culinary sali, ammoniacat sali, and a smali portiora os carbone The UsE of the GA saepic JuicE. ii. It possesses a Wonderi ut power of digesto , orchanging into chyme, animal or vegetablesiod. Upon killing a s wan, a Waler serpent was delected in the throat, extending 1 me-way into the stomach. The part Whicli occu-pied the throat was found in a Crude state,

und that whicli projected into the stomach,

vas digested into a pultaceoli' mas S.

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14 8 Tho CHEMICO PHYSIOLOGICAL Doctrine Even od enclo sed in giaden capsules is digested in the stomach: heiace the gastricjuice and not the stomach digests. r. It possesses a menstruat property adapted tothe diversu aliment, peculiar to each classe os animati; so that, in the carni vorous, it digests flesti only, and not vegetabies ; in the herbi-

getable sood, it is possessed of the wondersul properly of digesting both. The gastric juice of dus gradually digesis even the bones that have been swallowed. 3. It does not adt upon the stomacb by iis vital

dead body it appears to macerate the stomach, now deprived of iis vitality, and , as it were,

to digest it. 4. It resists by a peculiar anlyeptio quali ty the

putridit ' of animal sood, and the fermenἰatiouos vegetabies. Heiace putrid flesti is eat bysonae men Vith impunity.

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6s ille FLUIDS of the HUMAN BODY. 149 It by degrees resbives mila aster it has coagulated gently in the stomach. Even the gastricjuice out of the stomach, assisted by the heat os a furnace, distatues fiod into chynae. 6. Acid, or aikaline gastric juice, talien internallyas a medicine, cures Q pebia and intermittent se et ers. But eXhibited in a putrid feoer, theformer was inessicacious, and the lalter huri

fui. The acid gastric juice, applied externalty

in the sortia of fomentation, cures putrid andespecialty fcropbulous ulcers, in a wonderi ulmanner, as Ι haVe osten experienced; althoughat fir9 it somewhat irritates and increases thepain. It is sonaetimes employed to dissipate indolent and inflammatoo tumoars, With great success. The like experiments v ith aikalinegasti ic juice upon Ulcers, prove that it cither

contained in the stomach.

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water.

The NUTRITI VE PRINCIPLEs os animal sood are, jelly, animal gluten of the fibres, and bland Oiles the adiposse membrane. The nutritive principies of vegetabie laod areamylum or starch, the albuminous principie ofolera, the farinaceous vegetabie gluten and sugar; and in somp a bland oll. The Coessaei TUENT PRINCIPLEs of chyme there- fore consist os, I. Inge sed animal or vegetille sood, resolved inloa puli or alibie principies.

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of the FLUIDS of the HUMAN BODY. r. Crude Particles of sood, Whicli cannot be deconi

posed by the gastric juice. 3. Mallo ed Saliva, miXed Uith the gastric juice

and mucus of the stomach. Use: It is the masse from whicli me chyle is prepared in the smali intestines.

THE PANCREATIC JUICE. THE limpid juice secreted from the pancrem

inio the cavily of the intestines. SECRETORY ORGAN. The pancreatic, or Wir- sungian duci, aristes by very thin radicles frona innumerable acini; these form a common duct whicli penetrates the coats of the Intestinum duodenum obliquely downwares; at whicli place, for the most pari, it unites Mith the ductus communis cholerichus, and by an orifice common to both, opens into thecavlty of the intestine.

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rue a The CHEMICO-PHYSIOLOGICAL Doctrine

Τhe pancreatic juice mixes with the chyme corning from the stomach into the duodenum. But when there is no chyme, it is absorbed into ille Iacteal vesseis of the smali intestines. The QUANTi TY appears to be Very great, sorthe pancreas is three times as large as the salivat glands, and siluated in a Warmer place.

QuALi TY : It is very like in iis smeli, taste, colour, and consistence, to saliva. Hence iis Constituent principies do not appear unlike it. Bylt the exadt analysis has not yet been made. The UsE of the Pancreatic juice, is,

1- To dilute the e me coming frona the stomachinto the duodenum; and is any injurious sub stance has been digested in the stomach, ipdissolve it into iis principieS.

et . TQ dilute and attenuate the bile, especialty thecystic, whicli is viscid and acrid; and to tenaperils acridity.