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

This process goes on till all the cells are so filled by the mesoblast, with its myriad brood of cells, that the outer sac or ectoblast becomes a mere halo around it.

From Project Gutenberg

In the gastrula stage, the segmentation cavity in which the mesoblast is formed lies between the entoblast and ectoblast.

From Project Gutenberg

The former is often also called the ectoblast, or epiblast, and the latter the endoblast, or hypoblast.

From Project Gutenberg