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...

    bryophyte - sporophyte and gametophyte
    Meiosis and Alternation of Generations

    Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

    Geological Periods
    Geological Periods

    Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

    Young plant growing from the soil.
    Soils

    Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

    Water Cycle
    The Water Cycle

    The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

    Human Neurology
    Human Neurology

    Human Neurology deals essentially with the nervous system of humans. It also features the various theories put forward b..

    Origins of Life on Earth
    Origins of Life on Earth

    Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..