Cnidarian Hydra Research Paper

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For years it has been speculated how specific invertebrates are able to regenerate severed limbs or body parts. The objective of this paper is to explain why and how hydras are able to do this but humans are still not able to achieve this dynamic bio medical advantage. Cnidarian H. vulgaris, which are more commonly known as Hydra, are fresh-water animals of the phylum Cnidarian. The significance of this information is we can observe how these organisms regenerate their limbs. Then establish if we can use the hydra regenerative way in mammals such as humans. This would allow for an array of complications to be resolved including aiding individuals that may have lost a limb such as finger, arm, or leg. Another problem that could be solved…show more content…
According to Alvarado and Panagiotis, these polarity cues are relayed and ensue three activations that will occur. The three activations are tissues remodeling, activation and proliferation of stem cells, and dedifferentiation or trans differentiation of cells seen in figure 2 from Alvarado. Tissue remodeling is simply how the endoderm and ectoderm arrange in relation to each other to create the two layers of epithelium. The stem-cell proliferation and the dedifferentiation or trans differentiation of the cells will transpire adjacent to the area where the amputation took place (Alvarado, 2006). As mentioned by Mills and Owens, trans differentiation is the conversion of the differentiated cell of one lineage to that of another cell lineage. Mills and Owens also said that dedifferentiation is when a cell will reverse its differentiated fate and will now go back and establish previous properties during its development as a cell. This means the cell may return to a state of a stem cell that it passed through. The dedifferentiated cells can be reverted back and into a different cell lineage also by acquiring capacity for multipotency (Mills,

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