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


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