Autogenesis may refer to:
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Abiogenesis
Abiogenesis is the natural process by which life arises from non-living matter, such as simple organic compounds. The prevailing scientific hypothesis is that the transition from non-living to living entities on Earth was not a single even ...
, the origination of life from non-living things, as believed by Aristotle and in modern evolutionary theory
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Orthogenesis
Orthogenesis, also known as orthogenetic evolution, progressive evolution, evolutionary progress, or progressionism, is an Superseded theories in science, obsolete biological hypothesis that organisms have an innate tendency to evolution, evolve ...
, a discredited evolutionary idea that hypothesised a directed teleological form of evolution
* "Christ the Autogenes" in
gnostic
Gnosticism (from Ancient Greek: , romanized: ''gnōstikós'', Koine Greek: nostiˈkos 'having knowledge') is a collection of religious ideas and systems that coalesced in the late 1st century AD among early Christian sects. These diverse g ...
texts such as the
Secret Book of John
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Autogeny
In entomology, anautogeny is a reproductive strategy in which an adult female insect must eat a particular sort of meal (generally vertebrate blood) before laying eggs in order for her eggs to mature. This behavior is most common among dipteran in ...
, the reproductive strategy in insects in which the bodily food reserves of an adult female will support reproduction without feeding, particularly without a blood meal before oviposition
* The highest stage in the development of complex adaptive systems in
Viable System Theory Viable system theory (VST) concerns cybernetic processes in relation to the development/evolution of dynamical systems: it can be used to explain living systems, which are considered to be complex and adaptive, can learn, and are capable of mainta ...
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Autogenesis, a proposed kind of thermodynamic synergy that the first living creature may have possessed
Autogenous may refer to:
* Autogenous tissue in
autotransplantation
Autotransplantation is the transplantation of organs, tissues, or even particular proteins from one part of the body to another in the same person ('' auto-'' meaning "self" in Greek).
The autologous tissue (also called autogenous, autogenei ...
(tissue transplanted from elsewhere in an individual's own body)
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Autogenous weld
Autogenous welding is a form of welding in which the filler material is either supplied by melting the base material or is of identical composition. The weld may be formed entirely by melting parts of the base metal, and no additional filler rod ...
, using no filler metal
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Autogenous grinding mill, in which ore grinds itself through tumbling impacts
* Autogenous models for the origins of cellular features, such as membrane-bound organelles or
flagella
A flagellum (; : flagella) (Latin for 'whip' or 'scourge') is a hair-like appendage that protrudes from certain plant and animal sperm cells, from fungal spores ( zoospores), and from a wide range of microorganisms to provide motility. Many pr ...
* Autogenous
pyrometallurgy
Pyrometallurgy is a branch of extractive metallurgy. It consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable ...
, in which the feedstock contains enough combustible material to fuel its own heating
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Autogenous training, a psychological technique for guiding one's own thoughts, feelings, or behaviors
Autogenic may refer to:
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Autogenic training
Autogenic training is a relaxation technique first published by the German and Nazi psychiatrist Johannes Heinrich Schultz in 1932. The technique involves repetitions of a set of visualisations accompanied by vocal suggestions that induce a sta ...
, a desensitization-relaxation technique to alleviate stress
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Autogenic succession
"Auto-" meaning self or same, and "-genic" meaning producing or causing. Autogenic succession refers to ecological succession driven by biotic factors within an ecosystem and although the mechanisms of autogenic succession have long been debated, ...
, ecological change driven by the organisms present in an environment
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Autogenic inhibition reflex, by which a muscle under high tension relaxes itself to avoid injury
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