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in vitro - 6 dictionary results

in vi⋅tro

[in vee-troh]
–noun
(of a biological process) made to occur in a laboratory vessel or other controlled experimental environment rather than within a living organism or natural setting.
Compare in vivo.


Origin:
1890–95; < L in vitrō lit., in glass
in vi·tro   (ĭn vē'trō)   
adv.   & adj.
In an artificial environment outside the living organism: an egg fertilized in vitro; in vitro fertilization.

[New Latin in vitrō : Latin in, in + Latin vitrō, ablative of vitrum, glass.]

in vitro [(in vee-troh)]

In the laboratory; literally, “in glass” (laboratory experiments are often carried out in glass containers). In vitro conditions are distinguished from conditions that actually apply in nature. (Compare in vivo.)

Note: In vitro appears in the expression in vitro fertilization, a way of producing human embryos in a laboratory.

Main Entry: in vi·tro
Pronunciation: in-'vE-(")trO, -'vi-
Function: adverb or adjective
: outside the living body and in an artificial environmentin vitro><in vitro studies>

in vitro in vi·tro (ĭn vē'trō)
adj.
In an artificial environment outside a living organism.


in vi'tro adv.

in vitro   (ĭn vē'trō)  Pronunciation Key 
In an artificial environment, such as a test tube. Compare in vivo.
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