What process is used for a octopus to grow back its limbs?

Octopuses can regenerate their limbs through a process called autotomy and regeneration. When an octopus loses an arm, it can activate specialized stem cells at the injury site, which proliferate and differentiate into various cell types needed to form new tissue. This regeneration involves complex signaling pathways and takes several weeks to months, during which the new limb gradually develops and matures. The regenerated limb may not be an exact replica of the original but typically restores the octopus's functionality.