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Table 1 Summary of regeneration in Typosyllis antoni after dissecting at site 2 and 3

From: On the role of the proventricle region in reproduction and regeneration in Typosyllis antoni (Annelida: Syllidae)

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