Blastula

Blastula

An early stage embryo of about 100 cells that has not yet implanted into the womb. The blastocyst is a sphere made up of an outer layer of cells, a fluid-filled cavity and cluster of cells inside called the inner cell mass. The blastocyst develops after cleavage and prior to implantation at approximately five days. Further reproductive development occurs only if the blastocyst is successfully implanted in the uterus.

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Part of Speech: noun
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Industry/Domain: Medical
Category: Stem cell research
Company: EuroStemCell
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Related terms

blastula

Biology; Neuroscience

An early embryo during the stage when the cells are typically arranged to form a hollow sphere.

blastula

Natural environment; Coral reefs

A stage of embryonic development of animals near the end of cleavage (cell division), but before gastrulation. In animals where cleavage involves the whole egg, the blastula ...

blastula

Biology; Cell biology

A ball of cells surrounding a fluid-filled cavity (the blastocoel) that is produced by the repeated cleavage of a zygote.

blastula

Biotechnology; Genetic engineering

In animals, an early embryo form that follows the morula stage; typically, a single-layered sheet (blastoderm) or ball of cells (blastocyst).

blastula

Medical; Stem cell research

An early stage embryo of about 100 cells that has not yet implanted into the womb. The blastocyst is a sphere made up of an outer layer of cells, a fluid-filled cavity and cluster ...

blastula

Biology; General

A ball of cells surrounding a fluid-filled cavity (the blastocoel) that is produced by the repeated cleavage of a zygote.

potency

Medical; Stem cell research

The range of commitment options available to a cell.

pluripotent stem cells

Medical; Stem cell research

Stem cells that can develop into all the different cell types in the body except the placenta. They give rise to mulitpotent and unipotent stem cells as the embryo develops.

pluripotent

Medical; Stem cell research

Able to form all the body's cell lineages, including germ cells, and some or even all extraembryonic cell types. Example: embryonic stem cells.

plasticity

Medical; Stem cell research

Unproven notion that tissue stem cells may be able to generate the cell types of another tissue under certain conditions.

placenta

Medical; Stem cell research

The oval spongy structure in the uterus from which the fetus derives its nourishment and oxygen. The placenta develops from the outer cell layer of the blastocyst, called the ...

oocyte

Medical; Stem cell research

An egg before maturation; a female gametocyte; also called an ovocyte.

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