Sentence examples for ball of cells from inspiring English sources

A hollow ball of cells, the follicle, encompasses each ovum.

Each decade it expanded, as a ball of cells does, by constantly splitting.

It consists of a hollow ball with another ball of cells inside, known as embryonic stem cells.

The mammalian blastocyst is a hollow ball of cells containing two cell types, the inner cell mass and the trophectoderm.

At the end of cleavage a solid ball of cells called a morula is produced.

Instead, "think of it as what it is: nothing but a little ball of cells".

And the entity we currently sacrifice to get them — a sacrifice that may soon be unnecessary — is a tiny, undeveloped ball of cells.

Embryos created for research must be destroyed before they are 14 days old, when they are a ball of cells no larger than a pinhead.

After a few days, your microscopic ball of cells has divided into a thin sheet of muscle tissue big enough to cover the bottom of a flask.

The idea was to start the cloning process, then take the ball of cells after just a few days and extract embryonic stem cells.

An embryo would have to grow for about five days and, more important, from a ball of cells into a vesicle with two cell types.