EPIGENESIS Meaning and
Definition
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Epigenesis is a biological term referring to the development and formation of complex structures, organs, or organisms. It describes the process by which an embryo or multicellular organism gradually evolves from a simple, undifferentiated state to a more complex, organized structure through the interactions of various genetic and environmental factors.
In the context of genetics, epigenesis refers to the intricate interplay between genes and their surrounding environment that influences gene expression and the resulting traits in an individual. It involves modifications to the DNA molecule and its associated proteins that can affect gene activity without altering the underlying genetic code. These modifications can be inherited and have the potential to influence the development, behavior, and disease susceptibility of an organism.
The concept of epigenesis stands in contrast to the earlier theory of preformation, which held that organisms develop from pre-existing miniatures or preformed structures. Epigenesis emphasizes the role of environmental cues, such as nutrients, hormonal signals, and external stimuli, in shaping the development and differentiation of cells and tissues.
Epigenesis has been a subject of intense research in the fields of developmental biology, evolutionary biology, and epigenetics. Understanding epigenetic processes is crucial for unraveling the complex mechanisms behind human development, diseases, and the interplay between genetics and environment.
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1. The theory that the embryo is created by the parents jointly and is not developed from preexisting cells. 2. The Harveian theory that the embryo is built up gradually by the addition of one part after another in a definite sequence; opposed to the theory of evolution. 3. The growth and differentiation of a single ovum. 4. A new symptom, not antagonistic to those already present, developing in the course of a disease.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The doctrine which holds that the germ is actually formed as well as expanded by virtue of the procreative powers of the parent-opposed to the doctrine of evolution, which holds that the germ pre-exists in the parent.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for EPIGENESIS
- wpigenesis
- spigenesis
- dpigenesis
- rpigenesis
- 4pigenesis
- 3pigenesis
- eoigenesis
- eligenesis
- e-igenesis
- e0igenesis
- epugenesis
- epjgenesis
- epkgenesis
- epogenesis
- ep9genesis
- ep8genesis
- epifenesis
- epivenesis
- epibenesis
Etymology of EPIGENESIS
The word "epigenesis" has its roots in the Greek language. It is derived from two Greek words: "epi" meaning "on", "over", or "upon", and "genesis" meaning "origin" or "creation". Hence, "epigenesis" can be understood as the process of something developing or growing upon or on top of an existing structure or origin.
Similar spelling words for EPIGENESIS
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