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Endogenous
 
 
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The word endogenous means "arising from within", the opposite of exogenous
Exogenous

Exogenous refers to an action or object coming from outside a system. It is the opposite of endogenous, something generated from within the system....
.

genous substances are those that originate from within an organism, tissue, or cell . Endogenous retrovirus
Endogenous retrovirus

Endogenous retroviruses are retroviruses derived from ancient infections of germ cells in humans, mammals and other vertebrates; as such their proviruses are inheritance to the next generation and now remain in the genome....
 are caused by ancient infections of germ cell
Germ cell

Germ cells are progenitors of the gametes. These singled-out cells move through the gut to the developing gonads and undergo mitotic Cell proliferation followed by meiosis and Cellular differentiation into either eggs or sperm ....
s in human
Human

A human being, also human or man, is a member of a species of bipedalism primates in the family Hominidae . Mitochondrial DNA evidence indicates that modern humans originated in east Africa about 200,000 years ago....
s, mammal
Mammal

Mammals are a class of vertebrate animals whose name is derived from their distinctive feature, mammary glands, with which they feed their young....
s and other vertebrate
Vertebrate

Vertebrates are members of the subphylum Vertebrata, chordates with Vertebras or Vertebral columns. The grouping sometimes includes the hagfish, which have no vertebrae, but are genetically quite closely related to lampreys, which do have vertebrae....
s. Their provirus
Provirus

A provirus is a virus genome that has integrated itself into the DNA of a host cell . One kind of virus that can become a provirus is a retrovirus....
es remain in the genome and are passed on to the next generation.

Endogenous processes include circadian rhythm
Circadian rhythm

A circadian rhythm is a roughly-24-hour cycle in the biochemical, physiological or behavioural processes of living beings, including plants, animals, fungi and cyanobacteria....
s.

In some biological
Biology

Biology is a branch of the natural sciences concerned with the study of living organisms and their interaction with each other and their environment ....
 systems, endogeneity refers to the recipient of DNA
DNA

Deoxyribonucleic acid is a nucleic acid that contains the genetics instructions used in the development and functioning of all known living organisms and some viruses....
 (usually in prokaryote
Prokaryote

The prokaryotes are a group of organisms that lack a cell nucleus , or any other cell membrane-bound organelles. They differ from the eukaryotes, which have a cell nucleus....
s).






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Encyclopedia


The word endogenous means "arising from within", the opposite of exogenous
Exogenous

Exogenous refers to an action or object coming from outside a system. It is the opposite of endogenous, something generated from within the system....
.

Biology

Endogenous substances are those that originate from within an organism, tissue, or cell . Endogenous retrovirus
Endogenous retrovirus

Endogenous retroviruses are retroviruses derived from ancient infections of germ cells in humans, mammals and other vertebrates; as such their proviruses are inheritance to the next generation and now remain in the genome....
 are caused by ancient infections of germ cell
Germ cell

Germ cells are progenitors of the gametes. These singled-out cells move through the gut to the developing gonads and undergo mitotic Cell proliferation followed by meiosis and Cellular differentiation into either eggs or sperm ....
s in human
Human

A human being, also human or man, is a member of a species of bipedalism primates in the family Hominidae . Mitochondrial DNA evidence indicates that modern humans originated in east Africa about 200,000 years ago....
s, mammal
Mammal

Mammals are a class of vertebrate animals whose name is derived from their distinctive feature, mammary glands, with which they feed their young....
s and other vertebrate
Vertebrate

Vertebrates are members of the subphylum Vertebrata, chordates with Vertebras or Vertebral columns. The grouping sometimes includes the hagfish, which have no vertebrae, but are genetically quite closely related to lampreys, which do have vertebrae....
s. Their provirus
Provirus

A provirus is a virus genome that has integrated itself into the DNA of a host cell . One kind of virus that can become a provirus is a retrovirus....
es remain in the genome and are passed on to the next generation.

Endogenous processes include circadian rhythm
Circadian rhythm

A circadian rhythm is a roughly-24-hour cycle in the biochemical, physiological or behavioural processes of living beings, including plants, animals, fungi and cyanobacteria....
s.

In some biological
Biology

Biology is a branch of the natural sciences concerned with the study of living organisms and their interaction with each other and their environment ....
 systems, endogeneity refers to the recipient of DNA
DNA

Deoxyribonucleic acid is a nucleic acid that contains the genetics instructions used in the development and functioning of all known living organisms and some viruses....
 (usually in prokaryote
Prokaryote

The prokaryotes are a group of organisms that lack a cell nucleus , or any other cell membrane-bound organelles. They differ from the eukaryotes, which have a cell nucleus....
s). However, due to homeostasis
Homeostasis

Homeostasis is the property of a system, either open system or closed system, that regulates its internal environment and tends to maintain a stable, constant condition....
, discerning between internal and external influences is often difficult.

Geology

All processes that take place inside Earth
Earth

Earth is the third planet from the Sun. Earth is the largest of the terrestrial planets in the Solar System in diameter, mass and density. It is also referred to as the World and Wiktionary:Terra.Note that by International Astronomical Union convention, the term "Terra" is used for naming extensive land masses, rather...
 (and other planet
Planet

A planet , as 2006 definition of planet by the International Astronomical Union , is a celestial body orbiting a star or Stellar evolution#Stellar remnants that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared the neighbourhood of planetesimals....
s) are considered endogenous. They make the continents migrate, push the mountains up, and trigger earthquakes and volcanism. Endogenous processes are driven by the warmth that is produced in the core of Earth by radioactivity and gravity.

Psychology

An emotion
Emotion

An emotion is a mental and physiological state associated with a wide variety of feelings, thoughts, and behavior.Emotions are subjective experiences, or experienced from an individual point of view....
 or behaviour is endogenous if it is spontaneously generated from an individual's internal state.

Economics and finance

A variable is called endogenous if it is explained within the model in which it appears. For example, in a supply and demand model of an agricultural market, changes in the weather or in consumer tastes would be exogenous variables that might shift the supply and demand curves; the price
Price

Price in economics and business is the result of an exchange and from that trade we assign a numerical monetary Value to a product , Service or asset....
 and quantity of trade would be the endogenous variables explained by the model.

See also

  • Endogeneity
  • Endogenous preferences
    Endogenous preferences

    Endogenous preferences are preferences that cannot be taken as given, but are affected by individual internal responses to the external state of affairs....
  • Endogenous growth theory
    Endogenous growth theory

    In economics, endogeny growth theory or new growth theory was developed in the 1980s as a response to criticism of the neo-classical growth model....