The Third Institute of Oceanography of the State Oceanic Administration,Xiamen 361005,China;
The Third Institute of Oceanography of the State Oceanic Administration,Xiamen 361005,China;
The Third Institute of Oceanography of the State Oceanic Administration,Xiamen 361005,China;
The Third Institute of Oceanography of the State Oceanic Administration,Xiamen 361005,China;
amphioxus; digestive tract; estrogen; estrogen receptor α and β; aromatase;