What does Transudate mean?

What does Transudate mean?

A transudate is a filtrate of blood. It is due to increased pressure in the veins and capillaries that forces fluid through the vessel walls or to a low level of protein in blood serum. Transudate accumulates in tissues outside the blood vessels and causes edema (swelling).

What does exudate mean in medical terms?

Exudate: A fluid rich in protein and cellular elements that oozes out of blood vessels due to inflammation and is deposited in nearby tissues. The altered permeability of blood vessels permits the passage of large molecules and solid matter through their walls.

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How is Transudate formed?

Transudates and exudates are formed within the mesothelial-lined body cavities. The classification as an exudate or transudate is made on the basis of the specific gravity, protein content, and other biochemical parameters of the body fluid itself.

Is ascites transudate or exudate?

Ascitic fluid can accumulate as a transudate or an exudate. Amounts of up to 35 liters are possible. Roughly, transudates are a result of increased pressure in the hepatic portal vein (>8 mmHg, usually around 20 mmHg), e.g. due to cirrhosis, while exudates are actively secreted fluid due to inflammation or malignancy.

Why is serous fluid important?

Another type of serous fluid is secreted by the serous membranes (serosa), two-layered membranes which line the body cavities. Serous membrane fluid collects on microvilli on the outer layer and acts as a lubricant and reduces friction from muscle movement. This can be seen in the lungs, with the pleural cavity.

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How does pleural effusion happen?

The development of a pleural effusion occurs from fluid seeping into the pleural space, a thin area between the visceral and pleural membranes in the chest cavity, which normally contains a small amount of fluid to facilitate smooth lung movement.

How do you remove fluid from the lungs?

Thoracentesis is a procedure in which a needle is inserted into the pleural space between the lungs and the chest wall to remove excess fluid from the pleural space to help you breathe easier. Thoracentesis is a procedure in which a needle is inserted into the pleural space between the lungs and the chest wall.

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