embryonic tissue


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embryonic tissue

Etymology: Gk, en + bryein, to grow; OFr, tissu
1 also called mucous tissue, mucoid tissue, a loose, gelatinous mass of connective tissue cells. The gelatinous matrix is caused by the presence of mucopolysaccharides.
2 pertaining to tissue of an embryo.

embryonic tissue

Any tissue that arises from the fertilization of an ovum and has not become differentiated or specialized.
See also: tissue
References in periodicals archive ?
Mesoderm: The middle cell of embryonic tissue which forms bone, connective tissue, muscle, blood, vascular and lymphatic tissue.
3] The fact that patients were their own source of tissue meant that the method was free from ethical concerns associated with use of human embryonic tissue and the risk of immunoreactions, graft rejection, and need for long-term immunosuppressive treatment.
In all mammals mesenchyme eventually differentiates into three embryonic tissues -- the endoderm, the mesoderm, and the ectoderm.
It is defective in a rare human birth defect that results in a shortage or absence of sweat glands, misshapen and absent teeth, and loss of hair follicles all appendages that develop from the same embryonic tissue.
They have, for the first time, derived and purified lens epithelium -- the embryonic tissue from which the lens of the eye develops.
As the name implies, the former are derived from embryonic tissue and possess the greatest potential to differentiate into a wide range of cell types, although it has proven difficult to direct their differentiation pathway.
Scientists have previously shown that embryonic tissue transplants can be used to grow new kidneys inside rats.
If you didn't understand their real agenda, it would amaze you to know that in the very same time frame there were a series of amazing studies that documented the great promise of sources other than human embryonic tissue - - cloned or otherwise - - in addressing a whole host of medical problems.
In its newly identified function, corticotropin-releasing hormone (CRF) stimulates the production of a protein previously found to prevent maternal immune cells from attacking embryonic tissue.
The blastocyst must be treated with the respect appropriate to early human embryonic tissue.
The capacity of human mesenchymal stem cells to regenerate tissue follows a sequence of events similar to that of embryonic tissue formation.
Using the Mexican axolotl as a model to represent the evolutionary lineage leading to land animals, and paddlefish as a model for the branch leading to ray-finned fishes, the researchers found that electrosensors develop in precisely the same pattern from the same embryonic tissue in the developing skin, confirming that this is an ancient sensory system.