epigenesis /epi·gen·e·sis/ (-jen´ĕ-sis) the development of an organism from an undifferentiated cell, consisting in the successive formation and development of organs and parts that do not preexist in the fertilized egg.epigenet´ic
epigenesis
epigenesis [ep″ĭ-jen´ĕ-sis]
ep·i·gen·e·sis ( p  -jn  -ss)n. The theory that an individual is developed by successive differentiation of an unstructured egg rather than by a simple enlarging of a preformed entity. ep i·ge·netic (-j-ntk) adj. |
epigenesis
[ep′ijen′əsis]
Etymology: Gk, epi + genein, to produce
(in embryology) a theory of development in which the organism grows from a simple to more complex form through the progressive differentiation of an undifferentiated cellular unit. Compare preformation. epigenesist, n., epigenetic, adj.
epigenesis [ep″ĭ-jen´ĕ-sis]
the development of an organism from an undifferentiated cell, consisting in the successive formation and development of organs and parts that do not preexist in the zygote. adj., adj epigenet´ic.
epigenesis
the development of an organism from an undifferentiated cell, consisting in the successive formation and development of organs and parts that do not preexist in the fertilized egg.
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|