animal pole sentence in Hindi
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- Ectodermin mRNA is maternally deposited in the animal pole of the egg.
- They showed that uncommitted cells of the zebrafish blastula animal pole into a well-developed embryo.
- The animal pole consists of small cells that divide rapidly, in contrast with the vegetal pole below it.
- The vegetal pole contains large yolky cells that divide very slowly, in contrast with the animal pole above it.
- The axis of symmetry passes through on one side the animal pole, and on the other side the vegetal pole.
- After the formation of the third quartet, one of the macromeres initiates maximum contact with the overlying micromeres in the animal pole of the embryo.
- In some cases, the animal pole is thought to differentiate into the later embryo itself, forming the three primary germ layers and participating in gastrulation.
- The pole of the egg with the highest concentration of yolk is referred to as the vegetal pole while the opposite is referred to as the animal pole.
- The egg cell is generally asymmetric, having an " animal pole " ( future ectoderm and mesoderm ) and a " vegetal pole " ( future endoderm ).
- All bilaterian animals at an early stage of development form a gastrula, which is polarized, with one end called the animal pole and the other the vegetal pole.
- Because cleavage is impeded in the vegetal pole, there is a very uneven distribution and size of cells, being more numerous and smaller at the animal pole of the zygote.
- However, in cnidarians the depression forms at the end further from the yolk ( at the animal pole ), while in bilaterians it forms at the other end ( vegetal pole ).
- In the early blastula stage of the embryo, Ectodermin mRNA and protein forms a gradient that goes from the animal pole ( highest concentration ) down to the marginal zone ( lowest concentration ) to prevent TGF? and nodal signals that induce mesoderm originating from the vegetal pole.
- For instance, in "'Figure 1 "', Nile Blue staining of a 32-cell blastula at the dorsal side of the animal pole yields a blue-stained brain and ( depending on the size of the agar chip ) may also stain the anterior portion of the notochord.
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