Regeneration of adult Maritigrella crozieri . (A) through (D) show a series of images of the same individual. (A) Intact adult. (B) Anterior part of the animal cut transversally in two parts. (C) Anterior part after 16 days of regeneration. The blastema is visible as a white crescent in the posterior end. (D) Detail of the blastema shown in (C). (E) Adult animal found in the culture that regenerated the whole margin (white) from the orange core. The black stripes have already extended to the regenerated margins.