Corpuscle

Corpuscle refers to any small, free-floating, encapsulated cell. In the context of medicine and biology, it is often used to describe specific types of cells found in the body, such as blood cells or nerve cells.

Types of Corpuscles

There are several types of corpuscles, each with its own unique function and structure. Some of the most common types include:

• Meissner's Corpuscles: These are touch receptors located in the skin. They are responsible for sensitivity to light touch.

• Pacinian Corpuscles: These are nerve endings in the skin responsible for sensitivity to vibration and pressure.

• Ruffini Corpuscles: These are slow-adapting, encapsulated mechanoreceptors that detect skin stretch and contribute to the kinesthetic sense of and control of finger position and movement.

• Merkel Cells: Also known as Merkel-Ranvier cells or tactile epithelial cells, these are oval-shaped mechanoreceptors essential for light touch sensation and found in the skin of vertebrates.

Function of Corpuscles

Corpuscles play a crucial role in the body's ability to sense and respond to the environment. They are responsible for a variety of sensory functions, including touch, pressure, and vibration. They also play a role in the body's immune response, as they can help to identify and eliminate foreign substances.

See Also

• Cell (biology)
• Sensory receptor
• Nervous system

References

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