WebAug 28, 2024 · The pericardium is made up of two main layers: a tough external layer known as the fibrous pericardium, and a thin, internal layer known as the serous pericardium (to … WebApr 12, 2024 · The main mediastinal contents are the heart, esophagus, trachea, thoracic nerves and systemic blood vessels. The mediastinum is divided into the superior mediastinum and inferior mediastinum by a transverse plane that extends from the sternal angle (manubriosternal junction), to the intervertebral disc between T4 and T5 vertebrae.
The heart: Anatomy, how it works, and more - Medical …
WebThe circulatory system. Mollusks possess an open circulatory system in which body fluid is transported largely within sinuses devoid of distinct epithelial walls.The posteriodorsal heart enclosed in a pericardium typically consists of a ventricle and two posterior auricles. Hemolymph is drained from ctenidia, gills, or other specialized respiratory epithelia into … WebMay 11, 2024 · Epicardium ( epi- cardium) is the outer layer of the heart wall. It is also known as visceral pericardium as it forms the inner layer of the pericardium. The epicardium is … labette health chanute kansas
Layers of the heart: Epicardium, myocardium, …
WebApr 29, 2024 · The heart—the primary organ of the cardiovascular system—is a muscle that contracts regularly, via a natural pacemaker that produces electrical impulses. The heartbeat drives the transport of blood throughout the body, which provides oxygen and nutrients to all the body’s cells, tissues, and organs. WebHeart: Your heart is a muscular organ that pumps blood throughout your body. It’s located in the middle of your mediastinum. Your heart is surrounded by a protective sac called your pericardium. Thymus: Your thymus supports your immune system and is most active before puberty. It’s located in the front, upper part of your mediastinum. WebMembranes of the Anterior (Ventral) Body Cavity. A serous membrane (also referred to a serosa) is one of the thin membranes that cover the walls and organs in the thoracic and abdominopelvic cavities. The parietal layers of the membranes line the walls of the body cavity (pariet- refers to a cavity wall). promark window blinds