81 [EME. 
EMETICS. 
Agents capable of inverting the natural action of 
the stomach, so as to cause an ejection of its con 
tents by the mouth. 
‘This is their primary effect, and there are cer- 
tain emetic substances, the eeation of which 
ceases by producing it, __ 
Their secondary effects, “chiefly observed to fol- 
low what I would call searching emetics, are: 
1. The inverted or upward peristaltic action of 
the duodenum and even the upper portion of the je- 
junum, by which their contents are thrown into 
' the stomach, and thence by its continued inverted 
action ejected by the mouth. © 
; The impulse conveyed to the -gall bladder, 
and biliary ducts, by which their contained bile is 
directed ae a c the ton 
: “Ist. fe eeivate ch of the farce 6 cot the general cir- 
culation, anda restoration of equilibrium to its im- 
pulses. 
2d. A consentaneous relaxation of the cuticular 
vessels, by which the skin i is. opened to a diaphor- 
etic actio 
Sd. A rel tion. owing to the impulsive action 
of the respira ry organs, of the turgid and in- 
flamed vessels of the exterior surface of the bron- 
chia and trachea, by which expec toration of their 
contained healthy or morbidly increased mucous 
Secretion supervenes, : 
- Their proximate consecutive effects, are:— 
ist. An increased downward peristaltic action of 
: the intestines, which is produced some emeeee, 
ina greater degree ti than by others. 
ian 
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