 Cryo-extract of the human placenta demonstrated strong anti-ulsor activity in both acute and chronic ulcerogenesis models. In the acute model, it reduced ulceration by 13.7 times compared to untreated animals, while in the chronic model it decreased ulceration by 30%. Additionally, it had a protective effect on the mucous membrane of the stomach against acetic acid damage, reducing ulceration by 30%. This article was authored by F. V. Hladkic, for Kosherba, and M. O. C. H. Y. Z. H.