There are many instances where these spasmogens applied to smooth muscle preparations have both a direct action on the smooth muscle cells, as well as an indirect action through release of some other mediator  . It is obviously of importance when studying a system where an indirect action is apparent, to identify the mediator involved, since analysis of mixed responses is not otherwise possible in receptor classification or mechanistic studies.
Weitere Kapitel dieses Buchs durch Wischen aufrufen
- Neurokinin Receptors in Guinea-Pig Intestinal Muscle
I. K. M. Morton
J. M. Hall
- Springer New York
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