Immune System - The system of biological structures and processes that protects the body from foreign substances, including pathogens.⏎
Mucous Membrane - The moist linings of body passages and internal cavities involved with absorption and secretion of substances.⏎
Intravenous - The use of veins through which medications and solutions are administered.⏎
Meningeal Infection - An infection of the protective membranes that cover the brain and spinal cord, known collectively as the meninges.⏎