抄録
We investigated the lacalization of histamine inactivating substance in amphibia and obtained the following conclusions.
1. The histamine inactivating substance was mostly concentrated in intestine and liver, but less in kidney, heart, lung, muscle and brain of frog.
2. These substances also showed the most high concentration in intestine and liver, but less in brain, muscle, heart, kidney and lung of toad.
3. It may not be stated that the localization of histamine inactivating substance in amphibia was quite different from that in mammalia.
