IN VITRO By Nugent, Pam M.S. - May 11, 2013 Term referring to biological conditions or processes that occur or are made to occur outside the living body, usually in a laboratory dish. Latin, literally: "in glass". Compare in vivo. IN VITRO: "In vitro is a Latin phrase." Related Psychology Terms BIOSYNTHESIS RES COGITANS BIOTOPE IN VIVO BIOENGINEERING GRAECO-LATIN SQUARE ZYGOTE INTRAFALLOPIAN TRANSFER (ZIFT) BIOGENIC BIOCHEMISTRY BIOGENIC Cite this page: Nugent, Pam M.S., "IN VITRO," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/in-vitro/ (accessed November 23, 2017).