Gnotobionts – Experimental Model

The study investigated the biological behavior and morphology of the lymphoid system in gnotobionts, which are animals with controlled microflora. Key findings included age-related changes in the thymus, where maturation of T-dependent lymphocytes was delayed, leading to inhibited cellular immunity reactions. The research also analyzed the cytological profile and morphology of peripheral lymphoid organs, such as the spleen and lymph nodes, in relation to age. Additionally, the study identified morphofunctional mechanisms responsible for non-coronary myocardial damage and microcirculatory issues. Morphological studies of the ileum's mucous membrane were conducted to assess the lymphoid tissue's cytological profile and determine the presence of structures related to "acceptor" and "protective" immunity.