meroblastic

[ mer-uh-blas-tik ]

adjective

, Embryology.

1. (of certain eggs) undergoing partial cleavage, resulting in unequal blastomeres.

meroblastic

/ ˌmɛrəʊˈblæstɪk /

adjective

1. See holoblastic
   embryol of or showing cleavage of only the non-yolky part of the zygote, as in birds' eggs Compare holoblastic

Derived Forms

• ˌmeroˈblastically, adverb

Other Words From

• mero·blasti·cal·ly adverb

Word History and Origins

Origin of meroblastic¹

First recorded in 1865–70; mero- + -blast + -ic

Example Sentences

That the facts of development of the meroblastic eggs of vertebrates, are not in accordance with the views here advanced.

From Project Gutenberg

In these instances there is no commencement of an ingrowth in the manner supposed for meroblastic ova.

From Project Gutenberg

The segmentation is meroblastic, and similar to that in Birds.

From Project Gutenberg

This material forms a disc equivalent to the germinal disc of meroblastic vertebrate ova.

From Project Gutenberg

Oviparous, with a large-yolked and meroblastic ovum, enclosed within a follicle of two rows of cells.

From Project Gutenberg