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| Content Provider | Springer Nature Link |
|---|---|
| Author | Tazaki, K. Tazaki, Y. |
| Copyright Year | 2000 |
| Abstract | Motor patterns of the cardiac sac, the gastric and the pyloric network in the stomatogastric nervous system of the shrimp Penaeus japonicus, the most primitive decapod species, were studied. Single neurons can switch from the gastric or the pyloric pattern to the cardiac sac pattern. Some of the pyloric neurons fire with the gastric pattern. All of the gastric neurons fire with the pyloric pattern, unlike those in reptantians. Proctolin activates and modulates the cardiac sac and the pyloric rhythm, and promotes reconfiguration of the networks. Neurons of the three networks have so many interconnections that they construct a multifunctional neural network like those in Cancer. This network may function in different configurations under the appropriate conditions. Several modes of interactions between the networks found in different reptantian species can apply to the penaeidean shrimp. Such interactions are general features of the stomatogastric nervous system in decapods. Phylogenetic differences among the decapod infraorders are seen in the number and orientation of muscles and the innervation pattern of muscles. The multifunctional networks have existed in the most primitive decapod species, and types of configurations of the networks would have evolved to produce a wide range of motor patterns as the foregut structure has become complex. |
| Starting Page | 105 |
| Ending Page | 118 |
| Page Count | 14 |
| File Format | |
| ISSN | 03407594 |
| Journal | Journal of Comparative Physiology A |
| Volume Number | 186 |
| Issue Number | 2 |
| e-ISSN | 14321351 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2000-02-23 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Behavioral Neuroscience Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
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