> as lemmas

1875 E. R. Lankester in Q. Jrnl. Microsc. Sci. 15 165 (heading) Epibolic invaginate Planulæ.

1897 T. J. Parker & W. A. Haswell Text-bk. Zool. I. v. 257 The process by which the germinal layers have become formed is..a process of epibolic gastrulation.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VI. 79 In some animals, such as certain coelenterates, no pronounced epibolic or embolic movements of cells seem to occur during gastrulation.