Mention the difference between spermiogenesis and spermiation.

Spermiogenesis is the process of transformation of spermatids into spermatozoa. it is the final stage of spermatogenesis, which sees the maturation of spermatids into mature, motile spermatozoa.Spermiation: The process of the release of spermatozoa from Sertoli cells into the cavity of seminiferous tubules.