Table 1 Summary of regeneration in Typosyllis antoni after dissecting at site 2 and 3
dpa | regeneration |
|---|---|
amputation site 2 – anterior regeneration (observation only every 2 nd day) | |
 0 | invagination of 1st remaining segment at wound site |
 2 | blastema formation |
 4 | prostomium with developing antenna, palps and eyes |
 6–16 | two or three segments |
 18 | sequential addition of further segments |
amputations site 2 – posterior regeneration (observation only every 2 nd day) | |
 0 + 2 | invagination of 1st remaining segment at wound site |
 4 | pygidium with developing anal cirri and median papilla |
 6 onwards | sequential addition of segments |
amputation site 3 – anterior regeneration | |
 0–1 | invagination of 1st remaining segment at wound site |
 2 | blastema formation |
 3 | blastema well-developed |
 4 | prostomium with developing antenna, palps and eyes; two or three segments with tentacular cirri regenerating in 1st segment |
 6 | pharynx present |
 7 onwards | growth of segments and structures |
amputation site 3 – posterior regeneration | |
 0–2 | invagination of 1st remaining segment at wound site |
 3 | blastema well-developed |
 4 | pygidium with developing anal cirri and median papilla |
 5 | addition of first new segment |
 6 onwards | addition of further new segments followed by their development |