Ontogeny

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Ontogeny

Ontogeny (also ontogenesis or morphogenesis

Morphogenesis

Morphogenesis , is the physical process that gives rise to the shape of an organism. It is one of three fundamental aspects of developmental biology along with the control of cell growth and cellular differentiation....
) (ontos present participle of 'to be', genesis 'creation') describes the origin and the development of an organism

Organism

In biology, an organism is any life thing . In at least some form, all organisms are capable of response to stimulus , reproduction, growth and developmental biology, and maintenance of homeostasis as a stable whole....
from the fertilized egg

Ovum

An ovum is a haploid female reproductive cell or gamete. Both animals and embryophytes have ova. The term ovule is used for the young ovum of an animal, as well as the plant structure that carries the female gametophyte and egg cell and develops into a seed after fertilization....
to its mature

Mature

Mature can refer to the following meanings;*Sexual maturity*Mature is a character in the King of Fighters video game series.*a rating in the Entertainment Software Rating Board rating system...
form. Ontogeny is studied in developmental biology

Developmental biology

Developmental biology is the study of the process by which organisms grow and develop. Modern developmental biology studies the genetic control of cell growth, cellular differentiation and "morphogenesis," which is the process that gives rise to biological tissues, organ s and anatomy....
, developmental psychology

Developmental psychology

Developmental psychology, also known as human development, is the science study of systematic psychology changes that occur in human beings over the course of the life span....
, developmental cognitive neuroscience

Developmental Cognitive Neuroscience

Developmental cognitive neuroscience is an interdisciplinary scientific field that is situated at the boundaries of neuroscience, psychology, social neuroscience, developmental science, and cognitive science....
, and developmental psychobiology

Developmental psychobiology

Developmental psychobiology is an interdisciplinary field, encompassing developmental psychology, biological psychology, neuroscience and many other areas of biology....
. Ontogeny is that branch of life science which deals with the study of origin and development of an organism from fertilized ovum to its mature form. In more general terms, ontogeny is defined as the history of structural change in a unity, which can be a cell, an organism, or a society of organisms, without the loss of the organization that allows that unity to exist (Maturana and Varela, 1987, p.