Abdomen
The diaphragm separates the thorax from the abdomen. Structures that pass between the thorax and abdomen either penetrate the diaphragm or pass posteriorly to it : the inferior vena cava pierces the central tendon of the diaphragm to enter the right side of the mediastinum near vertebral level TVIII; the esophagus penetrates the muscular part of the diaphragm to leave the mediastinum and enter the abdomen just to the left of the midline at vertebral level TX; the aorta passes posteriorly to the diaphragm at the midline at vertebral level TXII; numerous other structures that pass between the thorax and abdomen pass through or posterior to the diaphragm.
Webster Dictionary Meaning
1. Abdomen
- The belly, or that part of the body between the thorax and
the pelvis. Also, the cavity of the belly, which is lined by the
peritoneum, and contains the stomach, bowels, and other viscera. In
man, often restricted to the part between the diaphragm and the
commencement of the pelvis, the remainder being called the pelvic
cavity.- The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.
Category: Medical & Health Sciences
More from this Section
- Skin
The skin is the largest organ of the body. It consists of the epidermis and the dermis. ... - Community Solutions
Community Solutions is an initiative resulting from a six-year, $9.5 million cooperative ... - Catatonic
Catatonic is a marked psychomotor disturbance that may involve stupor or mutism, negativism, ... - Pancreatic Ducts
The main duct of the pancreas begins in the tail and runs the length of the gland, receiving ... - Psychotropic
Psychotropic in mental illness, a medication prescribed to treat the illness or symptoms ...