Table 2.
Synaptic connections among the front, middle, and switch heart interneurons and the rear and premotor heart interneurons
| To |
||||
|---|---|---|---|---|
| Ipsilateral |
Contralateral |
|||
| From | HN(15) | HN(16) | HN(15) | HN(16) |
| HN(3) | 0 | 2/0 | 0 | 1/0 |
| HN(4) | 20/1 | 14/0 | 5/0 | 3/0 |
| HN(5) | 5/0 | 4/0 | 0 | 1/0 |
| HN(6) | 11/4 | 9/2 | 2/2 | 4/0 |
| HN(7) | 22/16 | 20/18 | 6/4 | 7/1 |
Data are the number of pairs tested and the number of synaptic connections found from the front [HN(3) and HN(4)], middle [HN(6) and HN(7)], and switch [HN(5)] heart interneurons to the rear [HN(15) and HN(16)] premotor heart interneurons.