Question

what is diff betwn morphallaxis and epimorphosis

Answer 1

$\huge\mathbb{Answer}$

Though both processes includes cellular division but in morphallaxis , new cells grow by the reorganization or exchange of the existing cells whereas in epimorphosis, majority of new cells grow by cellular differentiation.

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Answer 2

Answer:

Emimorphosis:

Epimorphosis is defined as the regeneration of a specific part of an organism in a way that involves extensive cell proliferation of somatic stem cells, dedifferentiation, and reformation, as well as blastema formation. Epimorphosis can be considered a simple model for development, though it only occurs in tissues surrounding the site of injury rather than occurring system-wide. Epimorphosis restores the anatomy of the organism and the original polarity that existed before the destruction of the tissue and/or a structure of the organism. Epimorphosis regeneration can be observed in both vertebrates and invertebrates such as the common examples: salamanders, annelidas, and planarians.

Morphallaxis:

Morphallaxis is the regeneration of specific tissue in a variety of organisms due to loss or death of the existing tissue.

The classical example of morphallaxis is that of the Cnidarian hydra, where when the animal is severed in two (by actively cutting it with, for example, a surgical knife) the remaining severed sections form two fully functional and independent hydra. The notable feature of morphallaxis is that a large majority of regenerated tissue comes from already-present tissue in the organism. That is, the one severed section of the hydra forms into a smaller version of the original hydra, approximately the same size as the severed section. Hence, there is an "exchange" of tissue.

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