preformation

N ทฤษฏี การ มี รูปร่าง สมบูรณ์ อยู่ ก่อน  การ เกิดขึ้น ก่อน 

PREFORMATION

PREFORMATION Pre `for *ma "tion, n. (Biol.)

preformation

pre for ma tion |ˌprēfôrˈmāSHən ˈˌpriˌfɔrˈmeɪʃən | ▶noun the action or process of preforming something. • Biology, historical the theory, now discarded, that an embryo develops from a complete miniature version of the organism. Often contrasted with epigenesis. DERIVATIVES pre for ma tion ist |-ist |noun & .adjective

preformation

pre |form |ation |priːfɔːˈmeɪʃ (ə )n | ▶noun [ mass noun ] the action or process of preforming something. • Biology, historical the theory, now discarded, that an embryo develops from a complete miniature version of the organism. Often contrasted with epigenesis. DERIVATIVES preformationist noun & adjective