Fig. 1From: Myogenesis of Siboglinum fiordicum sheds light on body regionalisation in beard worms (Siboglinidae, Annelida)Trochophores of Siboglinum fiordicum. A An early trochophore with prototroch (SEM). B, C Late trochophore with the prototroch and irregular mesotroch, CLSM of the staining with phalloidin (B) and anti-α-tubulin (C). esp—episphere, hsp—hyposphere, m—mesotroch, p—prototroch, tbl—trochoblastsBack to article page