Abdominal Regions/Body Cavities

Left pleural cavity

houses left lung

right pleural cavity

houses right lung

superior mediastinum

houses trachea, esophagus, large vessels

pericardial cavity

houses the heart

peritoneal cavity

houses digestive organs, spleen

retroperitoneal cavity

houses kidneys ureters, some digestive structures

pelvic cavity

houses the rectum, urinary bladder, internal reproductive organs

pleura

surround the lungs

pericardium

surround the heart

peritoneum

surround the abdominopelvic organs and produce mesenteries that anchor organs in position

Right upper quadrant

Right lower quadrant

left upper quadrant

left lower quadrant

median plane

transumbilical plane

midclavicular planes

subcostal plane

intertubercular plane

hypochondriac region

epigastric region

lateral regions

umbilical region

iliac/inguinal regions

hypogastric region