What structures are in the abdominal region?
The abdomen contains many vital organs: the stomach, the small intestine (jejunum and ileum), the large intestine (colon), the liver, the spleen, the gallbladder, the pancreas, the uterus, the fallopian tubes, the ovaries, the kidneys, the ureters, the bladder, and many blood vessels (arteries and veins).
Which structure is found in the abdominal cavity?
Organs of the abdominal cavity include the stomach, liver, gallbladder, spleen, pancreas, small intestine, kidneys, large intestine, and adrenal glands.
Why is it important to know the 4 quadrants and 9 regions of the body?
The abdomen can be divided into nine anatomical regions and four quadrants. These classifications are useful to clinicians during an abdominal exam because they can help with differential diagnoses and communication between healthcare providers.
What is abdominal region?
The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. The area occupied by the abdomen is called the abdominal cavity.
What nine regions is the abdominal cavity divided into and where are they located?
In the upper abdomen, the right hypochondriac, epigastric, and left hypochondriac regions reside. In the middle abdomen are the right lumbar, umbilical, and left lumbar regions. In the lower abdomen, we have the right iliac fossa, hypogastric, and left iliac fossa regions.
What organs are in which quadrants?
The four quadrants are:
- Right Upper Quadrant (RUQ): contains the liver (right lobe), gallbladder, part of the pancreas, parts of the small and large intestines.
- Left Upper Quadrant (LUQ): contains the liver (left lobe), stomach, spleen, part of the pancreas, parts of the small and large intestines.
How many regions are there in the abdomen?
9 separate regions
The anatomy of the regions and planes of the abdomen is composed of many layers with varying blood supply and innervation. The abdomen has been bisected, trisected, and even divided into as many as 9 separate regions.
When the abdomen is divided into nine regions the superior horizontal line is called?
When the abdomen is divided into nine regions, the superior horizontal line is called the midclavicular line. The most lateral and superior region of the abdomen is called the hypochondriac region.
Is omentum the same as peritoneum?
The main difference between omentum and peritoneum is that omentum is an abdominal structure formed from the visceral peritoneum with a structure similar to the mesentery whereas peritoneum is the thin, serosal membrane, which lines the abdominal and pelvic cavities, covering most of the viscera.
What is the mesentery?
The mesentery is a fold of membrane that attaches the intestine to the abdominal wall and holds it in place. Mesenteric lymphadenitis is an inflammation of the lymph nodes in the mesentery.