Sentence examples for fold stage from inspiring English sources

Wolpert (1991) defines the phylotypic stage at the early somite stage following neurulation, whereas Duboule (1994) broadens the stage to encompass the developmental period between the head fold stage and the tailbud stage.

A bub-1 promoter driven GFP was widely expressed from early embryonic stages to three fold stage (Figure 3A).

By the 1.5 fold stage, very little fluorescence is evident in tbc-2 tm2241) tbc-2 tm2241. 1M-1P).

Embryos from head fold stage to somite stage 27 30 correspond to human gestational weeks 3 6 [21], [22], [22].

Two of these were lumpy and abnormally shaped and two were in the early neural fold stage but were misshapen (not shown).

We also provide evidence that both caudal neural and caudal neural plate border cells become independent of further exposure to Wnt signals at the head fold stage.

Since neural crest generation has already been initiated at neural fold stages, these results may reflect mechanisms of regeneration and maintenance of inducing capacity rather than the mechanism by which neural crest cells are initially induced.

Studies conducted later in development, at neural fold stages, when border cells have started to express neural crest markers [8], [9] suggest that both BMP and Wnt signals induce neural crest character in caudal neural cells [10] [12].

At the 1 ½ to 2 fold stages fluorescence was observed in IL1 neurons (the identity was determined post-embryonically, see below), the nine buccal epidermal cells, and additional cells in the head, most likely arcade cells (Fig. 5D).

Thus, Matr3 plays an essential role in early mouse embryonic survival, with significant demise in Matr3Gt-ex13 homozygous embryos occurring before E4.5 and the demise of all remaining embryos occurring between the E4.5 implantation and E8.5 neural fold stages.

Gut tube formation begins in the anterior embryo at early to late head fold stages (EHF-LHF, ∼8.0 8.25 dpc) when an initially flat sheet of endodermal epithelium is transformed into a pocket structure.