abdomen

Introduction

The central part of the body between the thorax & the pelvis.

The diaphragm marks the upper boundary of the abdomen.

The lower boundary is defined by the upper border of the pelvis.

The abdomen contains the stomach, small intestine & large intestine, liver, gallbladder & biliary tree, pancreas, spleen & kidneys.

More general terms

• anatomic region

Additional terms

• abdominal pain
• abdominal wall
• trunk lesions, skin

Components

• abdominal aorta
• camper fascia (fatty superficial layer of superficial fascia)
• scarpa fascia (deep membranous layer of superficial fascia)
• ileocecal junction
• esophagogastric junction (cardioesophageal or gastroesophageal junction)
• omental foramen (epiploic foramen, foramen of Winslow)
• peritoneal cavity (peritoneal space)
• urogenital system
• omentum
• mesentery
• peritoneum
• intestine; bowel
• pancreas
• hepatobiliary system
• spleen
• adrenal (suprarenal) gland
• perineum