morphallaxis

[mawr-fuh-lak-sis]

mor·phal·lax·is

[mawr-fuh-lak-sis]
noun, plural mor·phal·lax·es [-lak-seez] .
Biology. the regeneration of a destroyed body part by the reorganization of its remaining cells.

Origin:
1900–05; morph- + Greek állaxis exchange, barter (compare allássein to change, exchange, ultimately derivative of állos other, allo-); coined by T. H. Morgan
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Morphallaxis is always a great word to know.
So is species. Does it mean:
mode of organization; construction and arrangement of tissues, parts, or organs
the basic category of biological classification, composed of individuals that resemble one another are able to breed with one another
Collins
World English Dictionary
morphallaxis (ˌmɔːfəˈlæksɪs)
 
n , pl -laxes
zoology the transformation of one part into another that sometimes occurs during regeneration of organs in certain animals
 
[C20: New Latin, from morpho- + Greek allaxis exchange, from allassein to exchange, from allos other]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Britannica
Encyclopedia

morphallaxis

a process of tissue reorganization observed in many lower animals following severe injury, such as bisection of the animal, and involving the breakdown and reformation of cells, movement of organs, and redifferentiation of tissues. The result is usually a smaller but complete individual, derived entirely from the tissues of part of the original animal.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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