recapitulation

(noun) emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species. Synonyms: palingenesis.

(noun) (music) the section of a composition or movement (especially in sonata form) in which musical themes that were introduced earlier are repeated.

(noun) a summary at the end that repeats the substance of a longer discussion. Synonyms: recap, review.

(noun) (music) the repetition of themes introduced earlier (especially when one is composing the final part of a movement).