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in vitro

 - 5 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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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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.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

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.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

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>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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


in vi'tro adv.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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