‘ 
6 
F “become covered 
HEA &*T. 
they are the feat of difeafes; and etn that animal heat is 
ee in them 
aa 
it — all the fmallett divifons of our organs, fo that 
n fc carcely conceive any 0 rganic molecules united with- 
It is not, therefore, merely ‘fomething i in- 
termediate between the arteries and veins; it gives origin to 
the exlmalants, the excretory tubes, and the veflels which con- 
Other fluids befides the 
pituita blood predominates fo con- 
fiderably in the capillaries, i they feem hardly to admit 
any thing elfe. Hence, arteries and veins are feen in great 
abundance, and the sind root sayedions difcover no other 
veffels. 
embranes, part of the 
shard fyftem, the fkin, blood.vefféle, glands, &c. have in 
r capillaries both blood and other fluids 
Espa a ferous Jenene in a livin animal ; ; its tranf- 
irritate it by any kind of ftimulant; it will 
y an infinite number of reddith 
Fine injeCtions in the dead body will 
penetrate into the capillary 2 aioe of ay s membrane, as 
the peritoneum for exam sig make 
example. ¢ irritat 
uen infidined, ina Tisg alg; or minutely in 
eahsbies fimilar appearance: : : see 
anh Res ieee the blood and the other — 
vary greatly ; very” = of the former is contained in fera 
membranes; more is feen in ee fkin, and a fill greater sm 
portion in mucous membran 
No blood i 7 conta in the capillaries of the cae 
r, certain li ents, &c. 
a living animal, oe see pour oat 
Shae very fine injections will fon es fhew that 
ee veflels, which. ‘arg “fo demonttrated 
The inher of ee as thew by injeGtions, ” Sa 
Bichat ex 
be very in different organ: s the 
dikecicaihp ables dat cn _silleya ety sorta 
exhibit but. ew of thefe veffels, have the bufinefs of nutri- 
tion only carried on in them, as the bones, » Carti~ 
ges, fibrous fyftem, &c.; while in parts, ed by : 
= abundance of fluids, other functions, fuch as exha- 
n and fecretion, are performed in addition to ‘nutrition, 
The ‘capillary fyftem, therefore, -of organs is not. in proper- 
~ 
head to the feet; and it is in this fenfe only, eee om 
“as in others the. fecretory. ¥e 
tion to their mafles ; a flip of oun contains more veflels 
han a — of ye ten times the bu 
this Kn ledg 
by comparing — we 
tions. The lat 
the larger veflels. In organs, whic 
and partly other fluids, the proportion of the former to the 
latter varies infinitel Nun merous caufes, both in the 
aay maa: ae - 
fubj An in 
quantity of blo 
exhalations. Thus in a feverifh 
to the get ; but when- {weats _ from weaknefs, as in 
hthifis ood does not occur, 
oO 
e 
condition, are eee 
by a more abundant afflux of blood to the-part ; while thofe 
of the paffive kind are performed in an oppofite {tate of the 
veffels. i 
A perfe Sede free communication exifts in all parts s of 
‘apie es, em. Obferve a well injected ferous, membrane ; 
its capillari ery minute net-work, in — 
vafeular accel is continued for more than two erie wit 
ich a eee 
ing only eplomiale — event commute = a 
neighbouring parts which blood. ios 
regard the capillary Spfieos as a general net-work, € 
over the whole body, communicating throughout eac gots 
and alfo from one organ to another, fo that there is a ge 
ral anaftomofis or free communication of the fluids a, 
orm any iskidoal. nékion oktbeé general permed! 
As arteries, veins, e (item 
are all connected . the capillary oa 
muft communicate, fo that a thin hui injedted by ee 
will pafs out at the two latter, and return by ey 
Thus an infinite * 
fi iy 
— to the cee’ which is retained 
the circulation by the vital powers. pt ie rn arse 
will exude, in the dead- SbeGe ne on a es 
membranes, and even on t the fkin, 
s, as thofe whi 
