Percutaneous replacement of the tricuspid valve with a bovine jugular venous valve (melody valve) was successfully undertaken in a 9-year-old boy.The patient had a previous history of bacterial endocarditis Vibes Cones of the native tricuspid valve in infancy.Initially, a pericardial patch valve was created, followed by surgical replacement of the
The purpose of this article: analysis of the activities of the personnel of the fire department of Leningrad, authorities to protect the population and the city from fires.Tasks: Kids boots to adequately evaluate, on the basis of archival and other sources, the courage and heroism of the fighters and fire brigade commanders, the population of the c
Island Biogeography Theory (IBT) is a foundational framework in conservation science, yet its application to large-scale protected area (PA) design remains relatively understudied.This research investigates the influence of IBT-derived variables on terrestrial vertebrate richness and threatened species abundance within 4990 PAs across continental A
Adult neural stem and progenitor cells (aNSPCs) persist lifelong in teleost models in diverse stem cell niches of the brain and spinal cord.Fish maintain developmental stem cell populations throughout life, including both neuro-epithelial cells (NECs) and radial-glial cells (RGCs).Within stem cell domains of the brain, RGCs persist in a cycling or