Relationship between anal intake of water and anal rhythm in the crayfish |
| |
| Affiliation: | 1. College of Life Sciences, Henan Normal University, Xinxiang, China;2. Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang 453007, China;1. Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223 Hubei, China;2. College of Fisheries, Huazhong Agricultural University, Wuhan, 430070 Hubei, China;3. Tongwei Co., Ltd., Healthy Aquaculture Key Laboratory of Sichuan Province, Chengdu, 610041 Sichuan, China;1. Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China;2. Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai, 201306, China |
| |
| Abstract: | - 1.1. Water flux through the anus is seen in Procambarus clarkii and it ceases on ablation of the 6AG.
- 2.2. The quantity of anal water flux (volume per 30 min or 5 min) accompanying spontaneous or passive anal contractions is measured by connecting polyethylene tubing to the intestine.
- 3.3. The quantity is proved not to be affected by the anal rhythm, defaecation or gastroliths in the stomach. But it will be subjected to synchronizing movements of the hindgut to anal rhythm.
- 4.4. The anterior intestinal nerve is assumed to contribute to anal water flux, but the anal motoneurones and the command interneurone are not so.
- 5.5. Compared the quantity accompanying spontaneous anal contractions (16.05 ± 24.04 μl/30 min, n = 18) with the known data of the urine flow reported by Kamemoto & Ono (Comp. Biochem. Physiol.27, 851–857, 1968), a probable function of anal water intake is discussed.
|
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
