> as lemmas

1890 Proc. Amer. Philos. Soc. 28 139 In that they are produced in similar organisms or those of the same species, their idioplasmic constitution must be very nearly the same.

1929 H. F. Roberts Plant Hybridization before Mendel vi. 198 Equality in respect to the inheritance, is conditioned by the combining cells containing, on fertilization, equal amounts of the idioplasmic material.

1983 P. J. Bowler Eclipse of Darwinism (1992) iv. 92 He [sc. Hertwig] insisted that the ‘idioplasmic unity’ of all the cells in the body made the isolation of the germ plasm impossible.