The aim of the work was to study the possibility of reducing the frequence as well as numbers and volume of spontaneous hepatocarcinomas in CBA male-mice using phytoadaptogen complex dry extract preventive administration.

. For today, scientists have more than a dozen other laboratory animals at their disposal to conduct toxicological, pharmacokinetic and other studies in addition to rodents.

Until recently, the main task of general anesthesia was to turn off the consciousness and pain sensitivity of the animal, which was achieved by the introduction of large doses of anesthesia.

Тhe lymphatic system of animals and humans consists of lymph, lymphatic capillaries, vessels, ducts and lymphatic organs. It drainage and detoxification functions, and plays an important role in the formation of the immune response and metastasis processes.

The article provides a brief description of some interesting publications about new research in the science and practice of preclinical research.