incasement theory


pre·for·ma·tion the·o·ry

archaic theory that the embryo was fully formed in miniature within a gamete at the time of conception.
See also: homunculus. Compare: epigenesis.
Synonym(s): emboitement, incasement theory

incasement theory

A long-obsolete theory that the embryo is fully formed in miniature within the gamete at the time of conception; preformation theory.