Abdominal cavity

Source: Wikipedia, the free encyclopedia.
Abdominal cavity
kidneys.
Details
Identifiers
Latincavitas abdominis
MeSHD034841
TA98A01.1.00.051
A10.1.00.001
TA2128
FMA12266
Anatomical terminology]

The abdominal cavity is a large

organs. It is a part of the abdominopelvic cavity.[2] It is located below the thoracic cavity, and above the pelvic cavity. Its dome-shaped roof is the thoracic diaphragm, a thin sheet of muscle under the lungs, and its floor is the pelvic inlet, opening into the pelvis
.

Structure

The abdominal cavity is labeled 3 in this image, and together with the pelvic cavity (4) it makes up the abdominopelvic cavity 6.

Organs

Organs of the abdominal cavity include the

Peritoneum

The abdominal cavity is lined with a protective membrane termed the

visceral peritoneum
.

Between the visceral and parietal peritoneum is the peritoneal cavity, which is a potential space.[1] It contains a serous fluid called peritoneal fluid that allows motion. This motion is apparent of the gastrointestinal tract. The peritoneum, by virtue of its connection to the two (parietal and visceral) portions, gives support to the abdominal organs.

The peritoneum divides the cavity into numerous compartments. One of these the

colon and the splenocolic ligament connects the spleen and the colon, or sometimes by their shape as the round ligament or triangular ligament.[1]

Mesentery

Omenta

The

lymph channels, fatty tissue, and connective tissue. There are two omenta. First, is the greater omentum that hangs off of the transverse colon and greater curvature of the stomach. The other is the lesser omentum that extends between the stomach and the liver.[1]

Clinical significance

Ascites

When fluid collects in the abdominal cavity, this condition is called

Chylous ascites heals best if the lymphatic vessel involved is closed. Heart failure can cause recurring ascites.[1]

Inflammation

Another disorder is called

chronic, generalized or localized, and may have one origin or multiple origins. The omenta can help control the spread of infection; however without treatment, the infection will spread throughout the cavity. An abscess may also form as a secondary reaction to an infection. Antibiotics have become an important tool in fighting abscesses; however, external drainage is usually required also.[1]

See also

References

External links