124 Huemajlatics, 
moft diftended either with Ailments or Wind. 
Now the Force of the Blood in the Veins be- 
ing not above r^th or ,-,ch of that of the Ar- 
teries, and their Number and Capacities be- 
ing alfo much greater, they are thereby more 
aptly difpofed to imbibe Chile from the In- 
teftines, whofe periftaltic Motion, together 
with the alternate Dilatations of the Arteries, 
and reciprocal ComprelTions, Dilatations and 
Relaxations of the Diaphragm and abdominal 
Mufcles do greatly promote its Progrefs. Bur 
when thro' any Obftrudions the free Courfe 
of the Blood thro* the Liver is retarded, it 
being neceffarily thereby more accumulated 
in the mefenteric Veins and Porta ; the 
imbibing Power of thofe Veins from the In- 
teftines will not only be proportionably re- 
bated 5 but alfo the Velocity with which the 
Blood (hould pafs along the mefenteric Arte- 
ries, thro’ the Coat of the Guts, being there- 
by retarded, will fubjed the Bowels to many 
Diforders. i 
1 8. k Teems evident from this XIVth Expe- 
riment, that the Secretions, which are diffe- 
rent according to the different Texture of the 
fecrctory Veffels, and which are made from 
the arterial Blood thro’ Veffels finer than the 
fineff; 
