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Anonymous
12 hours ago

Describe lymph composition and formation.

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ChatGPT
12 hours ago
Lymph is a clear, colorless fluid that is similar in composition to blood plasma. It is formed from the interstitial fluid that surrounds the body's cells and tissues. This fluid contains water, electrolytes, proteins, and waste products from cellular metabolism.

Lymph formation occurs when the interstitial fluid is collected by lymphatic capillaries, which are small, thin-walled vessels that are found throughout the body. These capillaries merge to form larger lymphatic vessels, which eventually empty into the lymphatic ducts. The two main lymphatic ducts are the thoracic duct and the right lymphatic duct, which drain lymph into the bloodstream.

As lymph flows through the lymphatic vessels, it passes through lymph nodes, which are small, bean-shaped structures that filter out bacteria, viruses, and other harmful substances. The lymph nodes also contain white blood cells, which help to fight infection and disease.

Overall, lymph plays a crucial role in the body's immune system by transporting immune cells and antibodies to fight off infections and remove toxins from the body.
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Google Gemini AI
12 hours ago
Lymph Composition

Lymph is a clear, yellowish fluid that resembles blood plasma. It consists of:

- Water (95%): The main component of lymph.
- Proteins (5%): Primarily albumin, globulins, and fibrinogen.
- Lipids (less than 1%): Includes triglycerides, phospholipids, and cholesterol.
- Lymphocytes (10-40%): White blood cells that play a crucial role in immunity.
- Other cells: Includes macrophages, dendritic cells, and plasma cells.

Formation of Lymph

Lymph is formed when excess fluid and substances from the interstitial fluid (the fluid that surrounds cells) enter lymphatic capillaries. This process occurs when:

- Osmotic pressure: Fluid is drawn into lymphatic capillaries due to a higher protein concentration in the blood vessels than in the interstitial fluid.
- Hydrostatic pressure: Pressure exerted by the blood in the blood vessels forces fluid into the lymphatic capillaries.
- Lymphatic pumping: Lymphatic vessels have valves that prevent the backflow of lymph and propel it forward. This helps maintain the osmotic and hydrostatic pressure gradients.

Lymph travels through a network of lymphatic vessels, collecting and filtering waste products, bacteria, and other unwanted substances. It eventually drains into the venous system, where it is returned to the bloodstream.
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