HUKUHARA et al.4) showed that the intrinsic reflexes of dog's small intestine consist of two different kinds of reflexes, that is, the mucosal and muscular reflexes. Then they5) showed that the mucosal reflex plays an important role in the transport of the intestinal contents. Both reflexes can be abolished by administration of C64'7) and the mucosal reflex also by cocainization of the mucosa.5,6) It can therefore be considered that the mechanism concerned with the intrinsic reflexes may be involved in the intramural ganglion cells. In the present experiment we tried to destroy these ganglion cells. The results are reported in the following. METHODS Dogs are anesthetized with morphine (3 mg/kg) and urethane (1g/kg). A
Our studies on the intestinal intrinsic reflexes have been performed mainly on dogs.2-6) It would be then worthwhile to study the aspects of the reflexes in rabbits and guinea pigs both of which are widely used in the physiological and
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