blastula

How To Use blastula In A Sentence

• The nucleus must be taken from the blastula and gastrula stages of frog embryos (at this point no semblance or form of the creature is distinguishable).
• Apparently, one of the master Scientists was trying to cark Scutari blastulas into a shape more to his liking. THE BROKEN GOD
• The only people politicizing the use of embryonic stem cells are those who claim that a blastula, which is an invisible to the naked eye group of cells an embryo is not the same thing as a fetus, is a human. Think Progress » Michael J. Fox: ‘I Could Give a Damn About Rush Limbaugh’s Pity…I’m Not A Victim’
• After the egg is fertilized it becomes a blastula, which is free swimming. CreationWiki - Recent changes [en]
• With time, cells gradually become determined, so that similar cells taken from later-stage blastulas and early gastrulas develop according to their fate at the time of transplantation.
• Apparently, one of the master Scientists was trying to cark Scutari blastulas into a shape more to his liking. THE BROKEN GOD
• Embryos treated at lower concentrations showed delayed gastrulation and those treated at higher concentrations developed to blastulae having abnormal blastocoels with excess cells.
• In the former, cleavage gives rise to a hollow blastula, which is filled in to a greater or lesser extent by the unipolar immigration of cells, much as occurs in hydrozoan cnidarians.
• At this stage, the blastula is in the form of a hollow sphere with radial symmetry.
• Thus a portion of the upper marginal zone of the blastula or early gastrula, or else a piece of the roof of the archenteron of the mature gastrula was planted in the blastocoele of a young gastrula and so brought beneath the ectoderm from the beginning; it was demonstrated that these portions were able to induce neural plate. Hans Spemann - Nobel Lecture