epigenesis
Kelime Anlamı :
1. epigenesis.
2. epigenez.
3. Döllenmiş ovum'da canlının ilk olarak farklılaşmamış bir hücreden gelişmeye başladığını ve zamanla, basitten komplekse doğru farklılaşma sonucu doku ve organların oluşması ile embriyonun türe has şekil kazandığını kaul eden, reformasyon teorisine karşıt olarak ileri sürülmüş teori.
Zıt Anlamlı Kelimeler :
Tanımlar :
1.
biology the theory that an individual is developed by successive differentiation of an unstructured egg rather than by a simple enlarging of a preformed entity.
2. geology change in the mineral content of a rock because of outside influences.
2. geology change in the mineral content of a rock because of outside influences.
from The American Heritage® Dictionary of the English Language, 4th Edition
1.
the theory that an organism develops by differentiation from an unstructured egg rather than by simple enlarging of something preformed.
2. changes in the mineral content of rock after its formation
2. changes in the mineral content of rock after its formation
from Wiktionary, Creative Commons Attribution/Share-Alike License
1.
the theory of generation which holds that the germ is created entirely new, not merely expanded, by the procreative power of the parents. it is opposed to the theory of
from the GNU version of the Collaborative International Dictionary of English
1.
the coming into being in the act or process of generation or reproduction; the theory or doctrine of generation in which the germ is held to be actually procreated by the parents, not simply expanded or unfolded or made to grow out of an ovum or spermatozoön in which it preëxisted or had been preformed.
2. in geology, same as metamorphism.
3. in pathology, an accessory symptom; a new symptom that does not indicate a change in the nature of a disease.
2. in geology, same as metamorphism.
3. in pathology, an accessory symptom; a new symptom that does not indicate a change in the nature of a disease.
from The Century Dictionary and Cyclopedia