Barrier Function Cells

Barrier function cells are specialized cells that form a physical and/or chemical barrier against the entry of unwanted materials and to allow the passage of useful nutrients and molecules. These cells are found in the skin, the digestive tract, the respiratory system, and even the reproductive organs. They have a significant role in the body’s immune system, as they act as a protective barrier to keep out infectious agents. They also help maintain the structure, permeability, and function of the blood-brain barrier, which helps keep toxic substances from crossing over into the brain. Barrier function cells are essential for the body’s overall health, as they help keep out pathogens, toxins, and other potentially harmful substances.

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