This document discusses medical terminology related to anatomy and tissue structures. It provides Greek and Latin root words used to describe different body parts and systems. Some examples included are histo- meaning tissue, adipo- meaning fat, cortico- meaning cortex or outer layer, and sinus meaning cavity or chamber. The document also lists different anatomical openings, structures, and locations in the body such as porta meaning door or opening, trabecula meaning small beam, and lobo- meaning lobe.