Mucosa – Mucous membrane lining the body cavities and passages.
Metastasis – Pathogenic microorganisms or cancerous cells are conveyed from one location to several locations in the body by blood vessels or the lymphatic system.
Lymphatic system – Lymph circulates throughout the body by way of a well networked system of vessels and spaces found between body tissues and organs.
Lymph nodes – Tiny, oval shaped structures, positioned along the lymphatic vessels which provide lymphocytes to the bloodstream and cleanse the lymph off bacteria and foreign particles.
Bacteremia - Presence of bacteria in blood
Intestinal perforation - Opening or penetration through the wall of the Intestine