American Lancaster gazette. [volume] (Lancaster, Ohio) 1855-1860, 1859-01-27
%, ,pS LaSsaiisi baIelis.
Diaesffon.

q
a DlgestioR.
The Hrsi 10 rdef, oflhs organic fnps-
lions. ls .hs formation ofchyIe. from the
alimsv.sry subsisuees ishen into ihs sicm-
ash. In this connsxiOu, we Temsrh5 that
mans nature ln regard 10 his diet, may be
denominated Omuiyorous; that is bO sub.
iists on svsry variety Of food. And that
whether he eats animal, or vegstabls food
exclusively, OF mixed diet. his organize,
lion Is the same: ihs sssinilaiing functions
being aba IOchsnge the slimehls into ma.
terials 6t to nourish every part Of his orga-
Irritation. % isifsgHa-t elo1t ti%a1 'sfy
The stomach is mi mbraneous sack, stu
Atsd al the lowsrena oflbs stsrnnm (breAs.
bOhe1 with its largest portion toward The
lefs side. It is capable of being disiended
90 as 10 contain several pints; and when
empty contracts into a very small sizes.
It is very ahundaptly supplied with blood
vessels and nerves. on occoun. Of the inn
Iportant functions II has 70 perform. L is
on that account. very sensitive organ; 50
tbat ablOt& received upon Il might Sudap-
ger IiG,., The internal surface Of Ibis or
gan. Is covered with mucous membrane.
The principal coat Of the stomsoh. consist
Of circular muscular ibres, which enables
il 10 contract upon itself. Il has two O.
fpenirgs. The upper, or cardaic ofiiice.
which receives the food as It comes from
the mouth; the lower. 8, Pyloric orifes,
which PAsss. the food after digesdOG, into
the dGOdenuu, Or second stomach. n
.Digest. ~ properly commences in the
noaih. The, thorough Dasticalicn, or
chewing Yf the food, and the intimate
mixture Of il with tie sAlivary hdid. which
lie poured into The mouth during msslies-
tion. the activity Of the saliYary glands be-
ng increased BY the presence Of food in,
The mouth. prepares the alirnsntary mass
70 pass to the stomach! ss5.il s,sss a'u,s
f6e effort we &aks a. sVsilow, presses
it into the cesoPBagus This is Muscular
tute. passing from the mouth 70 the stom
ach; alter thus rec c,iving he AIifnen,ary bo.
lus. it presses it into the stomach. BY a
! perestalic contraction. As soon as The
stomach has received aPortion Of aliment
an influx Of blood ID tie stomach takes
place, BY which the gastric jqicss is secre-
ted. and thrown into i. This gastric
juice. is Pellueid, watery fluid, posse:
sing peculiar properties. by which the ali
ment is changed in from 2 to 9 hours. in
toa pullatious, homogeneous mass, which
when digestion has been perfect, las lost
all traces at tie food taken in the mouth.
During this process, the pylOriO Ori6ce re-
mains. Hrmly closed, but upon its com
Pletion. il rslaxes, and the mass which
is now call chyms, passes into the duode
mum. Hers il receives the bile from The
liver, and the Pancreatic fluid from the pa
nereas. which pro JUICE further changes up
! on It,. not very well understood. and mo-
important 10 be known, to the common
sreader, the cheif Of whichis fund to be
the separation Of the nutritious and iunu-
) ,ritiods parts oflheehyais:: The ingnutritioa'
parts ace thrown out Of tho body: and the
| - =
nutritious portion goes to nod'ish the va
rioys organs. 4a 0 ~
The stomach, is in continual motion,
during the process Of digestion. which
serves to mif intimately, the gastric uics
with the mass to be digssted. This peri
} sal'iO motion. which is the successive
contractions q the Of the circular muscG
lar fibres Of the stomach and bowels, is,
from above downwards, and is the means,
/; by which. the contents Of the bowels are
carried through. An invertiOn Of tbi'
motion, or contraction. from below upwards
! occasions vomiting; AMI it continued,
sometimes forces the contents Of the bow
els into the stomach; and when it is forced
there i produces extreme sickness. Ant
vomiting.
In the small inteslines, the nutritious