5-hydroxytriptamine (5-HT) is one of the important bioactive substances. It has not been recorded whether 5-HT is existent in amphioxus. Gerzeli found that there were argentaffin cells located in the digestive tract o...5-hydroxytriptamine (5-HT) is one of the important bioactive substances. It has not been recorded whether 5-HT is existent in amphioxus. Gerzeli found that there were argentaffin cells located in the digestive tract of amphioxust. However, there was no direct evidence about the 5-HT-containing cells. In the present study, the展开更多
文摘5-hydroxytriptamine (5-HT) is one of the important bioactive substances. It has not been recorded whether 5-HT is existent in amphioxus. Gerzeli found that there were argentaffin cells located in the digestive tract of amphioxust. However, there was no direct evidence about the 5-HT-containing cells. In the present study, the