The Contribution of A.A. Stadnikov to the Development of Russian Histology (on the 80th Anniversary of His Birth)

August 26, 2025, marked the 80th birthday of Alexander Abramovich Stadnikov, a prominent Soviet and Russian histologist, Doctor of Biological Sciences (1990), Professor (1991), Honored Scientist of the Russian Federation (2008), and Honored Worker of Higher Education of the Russian Federation (1999). In 1968, he graduated with honors from the Therapeutic Faculty of the Orenburg Medical Institute. His entire subsequent career has been connected with the Department of Histology at the Orenburg medical university (institute – academy – university), where he has been working for over fifty years, progressing from a postgraduate student to a professor and head of the department. His research is dedicated to fundamental and applied problems of histology: the study of histo- and organogenesis; neuroendocrine regulation of morphogenesis and regeneration; the study of the evolutionary dynamics of tissues; and the neuroendocrine regulation of prokaryote and eukaryote interactions. He established the role of hypothalamic nonapeptides as regulators of growth, proliferation, and cytodifferentiation of the adenohypophyseal epithelium. He introduced the concept of the antibiotic influence of neurohormones from the anterior hypothalamus on staphylococci. This served as a fundamental basis for developing methods to correct disorders of cellular and tissue homeostasis. This research proved the efficacy of the topical application of oxytocin in the comprehensive therapeutic treatment of purulent-necrotic processes. He is the author of approximately 700 scientific works, including 22 monographs and 15 invention patents. Among his students are 20 Doctors of Sciences and more than 60 Candidates of Sciences. He has established a major scientific histological school, which investigates problems of morphogenesis, regeneration, and the neuroendocrine regulation of the functions of cells, tissues, and organs. He has been the scientific head of this school for over 40 years.