Fig. 2. A time-lapse of the regeneration process of a tail fragment of the planarian S. mediterranea and the corresponding encoding by the presented formalism.

(A) Amputation of a tail fragment (Day 0). (B) The regeneration sequence of the original regions and organs are unambiguously encoded with the formalism and clearly illustrated by the automatically-generated cartoon diagrams (Days 1–11). Scale bar: 1 mm.