Anatomical Terminology

skeletal muscle that separates the thoracic (chest) cavity from the abdominal (stomach) cavity. It is the muscle used for breathing

upper central section of the abdomen containing the stomach, the liver, the pancreas, and the kidneys

part of the abdomen on either side of the epigastric region containing the spleen and kidneys

lower central section of the abdomen that contains the small intestines, the sigmoid colon, and the bladder

part of the lower abdomen on either side of the hypogastric region containing the small intestine, the ascending and descending colon, the cecum, the appendix, and the sigmoid colon

part of the midabdomen on either side of the umbilical region that contains the liver tip, the small intestine, the ascending and descending colon, and the kidneys

three membranes that encase the brain and spinal cord and include the dura mater, the arachnoid mater, and the pia mater

tissue that attaches organs such as the stomach and the intestines to the abdominal wall and contains blood vessels, nerves, and lymphatics of the intestines

serous membrane that lines the abdominal wall

outer membrane that attaches the lungs to the walls of the thoracic cavity

tough membrane that surrounds and protects the heart

serous membrane that lines the walls of the abdominal cavity and covers most organs within the cavity

two layers of serous membrane that protect and cushion the lungs

part of the abdominopelvic region that contains the small intestine, the transverse colon, the stomach, and the pancreas

serous membrane that covers the abdominal organs

membrane that covers and protects the surface of each lung