Featuring Demian Dressler, DVM and Susan Ettinger, DVM, Dip. ACVIM (Oncology), authors of The Dog Cancer Survival Guide

In Vitro Definition

In Vitro: Means “in glass” and often refers to a treatment that is tested in a test tube, a petri dish, or in other equipment in a lab. Many promising cancer therapies work very well in vitro, but not in vivo.

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