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Another famous model is the so-called French flag model, developed in the sixties. [31] Improvements in computer performance in the twenty-first century enabled the simulation of relatively complex morphogenesis models. In 2020, such a model was proposed where cell growth and differentiation is that of a cellular automaton with
Gestalt Therapy: Excitement and Growth in the Human Personality. Rogers, Carl. (1951). Client-centered therapy: Its current practice, implications and theory. London: Constable. ISBN 1-84119-840-4. Werner, H. (1957). The concept of development from a comparative and organismic point of view. In D. Harris (Ed.), The concept of development.
The initial stages of human embryogenesis Parts of a human embryo. Ontogeny (also ontogenesis) is the origination and development of an organism (both physical and psychological, e.g., moral development [1]), usually from the time of fertilization of the egg to adult. The term can also be used to refer to the study of the entirety of an ...
Context Sensitivity and Contingency: Development depends on the current state of the organism. Extended Inheritance: An organism inherits resources from the environment in addition to genes. Development as a process of construction: The organism helps shape its own environment, such as the way a beaver builds a dam to raise the water level to ...
The etymology of the word "morphology" is from the Ancient Greek μορφή (morphḗ), meaning "form", and λόγος (lógos), meaning "word, study, research". [2] [3]While the concept of form in biology, opposed to function, dates back to Aristotle (see Aristotle's biology), the field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist ...
Snakes are not a common model organism, i.e. they are not easily genetically tractable. In addition, their genome sequence data is incomplete and suffers from poor annotation and quality. These factors make it difficult to understand the mechanism of snake limb loss using a genetic approach, targeting and observing the presence and activity of ...
Development before birth, or prenatal development (from Latin natalis 'relating to birth') is the process in which a zygote, and later an embryo, and then a fetus develops during gestation. Prenatal development starts with fertilization and the formation of the zygote , the first stage in embryonic development which continues in fetal ...
Ecological systems theory is a broad term used to capture the theoretical contributions of developmental psychologist Urie Bronfenbrenner. [1] Bronfenbrenner developed the foundations of the theory throughout his career, [2] published a major statement of the theory in American Psychologist, [3] articulated it in a series of propositions and hypotheses in his most cited book, The Ecology of ...