encasement theory
中文翻译
[医] 先成学认, 预成学说
常见例句
1
A believer in the theory (called encasement theory), current during the last century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other