Complex sentence: Ecdysis also allows damaged tissue and missing limbs to be regenerated or substantially re-formed,-complete regeneration may require a series of moults, the stump becoming a little larger with each moult until it is a normal, or near normal, size.
Split into simpler sentences: Ecdysis also allows damaged tissue and missing limbs to be regenerated or substantially re-formed. Complete regeneration may require a series of moults, the stump becoming a little larger with each moult until it is a normal, or near normal, size.