What is inside the peritoneal cavity of the pig?

The cavity is dominated by the liver (large, brown organ at anterior of cavity) and the small intestine, but the large intestine may be visible. The abdominal wall to the left and right of the midline incisions and the umbilical region have been “reflected” (pulled aside to show beneath).

What is covering the organs of the peritoneal cavity pig?

The covering of the walls of the cavity is referred to as parietal peritoneum, while that covering the organs is termed visceral peritoneum. These membranes slide easily against each other.

What is the function of the peritoneum in a fetal pig?

The abdominal cavity contains a protective layering that is known as the peritoneum. Its primary function is to protect the organs that are within that specific area and contain fluid to allow free flow of movement between organs.

What structure separates the thoracic cavity from the abdominal cavity in a fetal pig?

The diaphragm
The diaphragm (in yellow oval) is visible as a sheet of skeletal muscle, which separates the thoracic and abdominal cavities. To get air into the lungs (inspiration), the rib cage expands and the diaphragm contracts to enlarge the thoracic cavity, generating a negative pressure within the lungs, causing air to flow in.

What organs are inside the peritoneum?

The peritoneum is comprised of 2 layers: the superficial parietal layer and the deep visceral layer. The peritoneal cavity contains the omentum, ligaments, and mesentery. Intraperitoneal organs include the stomach, spleen, liver, first and fourth parts of the duodenum, jejunum, ileum, transverse, and sigmoid colon.

Where does peritoneal fluid come from?

Peritoneal fluid is a serous fluid made by the peritoneum in the abdominal cavity which lubricates the surface of tissue that lines the abdominal wall and pelvic cavity. It covers most of the organs in the abdomen. An increased volume of peritoneal fluid is called ascites.

What organs are in the peritoneal cavity?

The peritoneal cavity contains the omentum, ligaments, and mesentery. Intraperitoneal organs include the stomach, spleen, liver, first and fourth parts of the duodenum, jejunum, ileum, transverse, and sigmoid colon.

How long can a small intestine of a fetal pig get?

The small intestine of a near-term fetal pig can be as long as 350 cm (~ 12 feet long) when separated from the mesentery (which holds and their blood vessels in a mass). Within the various sections of the small intestine, digestion of food and absorption of nutrients occurs.

Whats is the peritoneum?

Listen to pronunciation. (PAYR-ih-toh-NEE-ul) Having to do with the parietal peritoneum (the tissue that lines the abdominal wall and pelvic cavity) and visceral peritoneum (the tissue that covers most of the organs in the abdomen, including the intestines).

Which organs are visible in the thoracic cavity pig?

Also found inside the thoracic cavity are the right and left lungs, which are on either side of the heart. Also note the thymus gland, which in many young mammals can be found in the throat and the thoracic cavity. In this view, the thoracic portion has been reflected from the midline to the pig’s left.

Can you remove the peritoneum?

If surgery is possible, the operation is called a peritonectomy. This means removing part or all of the lining of the abdomen (peritoneum). The aim is to reduce symptoms.