Dictionary > In vitro

In vitro

Definition
adjective, adverb
(Of a biological process) made to occur outside the living organism, i.e. in an artificial environment such as within a glassware, a test tube, etc.
Supplement
The term in vitro is associated with various biological processes that are made to occur outside the living organism. Etymologically, it is a Latin for within a glassware (i.e. in- pertains to within and vitreus, glassware). The term in vitro is typically written in italics.
An example of its usage is in vitro study. An in vitro study is a type of study wherein the methodology involves a biological process made to occur outside the living organism at the laboratory for experimentation and observation. For instance, a protein’s biological process made to occur in a laboratory for observation and experimentation implicates a study conducted in vitro.
The term in vitro is used in contrast to the term in vivo. The latter pertains to a biological process made to occur inside the normal biological context.
Word origin: Latin in– (within) vitreus (glassware)
Variant(s):

  • in-vitro

Compare:

  • in vivo
  • Related term(s):

    • in vitro fertilization

    Mentioned in:

  • Amplification
  • Culture
  • Fertilization
  • Coagulation time
  • Cap binding protein
  • Echinocyte
  • Agglutinoscope
  • Helper t lymphocyte
  • Tumor necrosis factor
  • Tissue-inhibitor of metalloproteinase-1
  • Stavudine
  • Drug screening


  • You will also like...

    Flowers and tiny fruits of the pomegranate plant
    Fruits, Flowers, and Seeds

    This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

    Homo Species
    The Homo Species

    The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

    Peppered moth ("Biston betularia") melanic and light form
    Examples of Natural Selection

    Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

    Still Water Animals
    Still Water Animals

    Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..

    Direct and indirect physiologic effects of growth hormone
    Animal Growth Hormones

    Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

    Community Patterns

    Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..