ectoblast

[ ek-tuh-blast ]

noun

, Embryology.

1. the ectoderm.
2. epiblast.

ectoblast

/ ˈɛktəʊˌblæst /

noun

1. another name for ectoderm epiblast

Derived Forms

• ˌectoˈblastic, adjective

Other Words From

• ecto·blastic adjective

Word History and Origins

Origin of ectoblast¹

First recorded in 1860–65; ecto- + -blast

Example Sentences

Ectoblast: the outer wall of a cell; the ectoderm or epiblast.

From Project Gutenberg

This fold springs from the ectoblast or external series of cells in the embryo.

From Project Gutenberg