Sentences with phrase «ectoderm cells»

Not exact matches

«The embryos lack all [cell types known as] mesoderm and endoderm and are left with skin and some neural tissue, [which derive from the third major cell type, the ectoderm].»

But it seemed unlikely, because the body coverings were thought to grow differently: Feathers and hair develop from specialized plates of thickened ectoderm — an embryonic cell layer — called anatomical placodes, structures not seen in reptiles.

The cells originate outside the central nervous system in the ectoderm of the body wall and appear to migrate to their final locations within the central nervous system by crawling along strands of connective tissue.

The pluripotent cells of the embryo organize themselves at an early stage in germ layers: the endoderm, mesoderm and ectoderm.

The answer was yes: They found cells with markers from all three major body cell types, called germ layers: ectoderm (such as nerve cells), mesoderm (muscle and blood vessel cells), and endoderm (kidney cells).

ES cells are pluripotent, that is, they are able to differentiate into all derivatives of the three primary germ layers: ectoderm, endoderm, and mesoderm.

It is interesting that YFP - expressing pluripotent cells were rarely detected in the lens, yet often present in the cornea since the surface ectoderm forms both the lens and the cornea.

YFP expressing cells are also observed in the surface ectoderm and left half of the forebrain (G).

Noggin strongly induces the expression of the EFTFs in frog primitive ectoderm and human ES cells [3], [7].

This suggests that the transplanted, control cells move from the eye field to the surface ectoderm outside the neural plate.

Additionally, ERCs were reported to be able to differentiate into, or become, cells from the three different germ layers (see the previous post on MSCs for more details): mesoderm (muscle, bone, fat, cartilage, and endothelial cells), ectoderm (neurons), and endoderm (liver, pancreas, and lung cells)(Meng et al., 2007; Patel et al., 2008).

In one of the experiments, for example, activation of a particular signal at the correct time elicits the appearance of the mesoderm, endoderm and ectoderm — the precursors of all cell types — with a spatial organization similar to that of an embryo.

During the process, the cells begin to form three distinct layers: the endoderm, mesoderm and ectoderm, determining which tissues or organs the cells will then develop into.

Histochemical analysis indicated the existence of tissues from all three germ layers, such as neural epithelial cells (ectoderm), intestines (endoderm) and muscle (mesoderm)(Figure 6A).

(A) iPS cells can form embryoid bodies (EB) and can differentiate in vitro to endoderm shown by alpha fetoprotein (AFP)(B), mesoderm shown by smooth muscle actin (SMA) and desmin (D, E), and ectoderm shown by GFAP and SMI31 staining (G, H).

J, Hematoxylin and eosin staining of teratoma sections generated from integration - free iPSC lines showing differentiation in three germ layers: goblet cells in gastro - intestinal (GI) tract (endoderm); neural rosettes (ectoderm) and blood vessels, muscle and cartilage / bone (mesoderm).

Moreover, ES cell differentiation in vitro recapitulates events that take place during early embryonic development including the formation of the three germ layers of ectoderm, mesoderm and endoderm, and the emergence of endothelial, hematopoietic, cardiac, neuronal and hepatic or pancreatic cells [8], [9].

In other words, the basement membrane provides a physical dividing line between cells descendant from embryonic ectoderm (epidermis) and embryonic mesoderm (dermis).

Pituitary dwarfism is usually associated with a failure of the oropharyngeal ectoderm of the cranial pharyngeal duct (Rathke's pouch) to differentiate into trophic - hormone - secreting cells of the pars distalis.