Autotomy.
D000818:Animals; D003445:Crustacea / Q000502:physiology*; D004447:Echinodermata / Q000502:physiology; D004924:Escape Reaction; D005121:Extremities / Q000033:anatomy & histology / Q000502:physiology*; D008116:Lizards / Q000502:physiology; D051379:Mice / Q000502:physiology*; D009132:Muscles / Q000033:anatomy & histology; D012038:Regeneration; D013623:Tail / Q000502:physiology*