Coelomocyte

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Coelomocyte is a type of cell found in the coelomic fluid of invertebrates, particularly echinoderms and annelids. These cells play a crucial role in the immune response of these organisms, functioning in a similar way to the white blood cells of vertebrates.

Etymology[edit | edit source]

The term "coelomocyte" is derived from the Greek words "koilos," meaning hollow, and "kytos," meaning cell. This refers to the fact that these cells are found in the coelomic cavity, a fluid-filled space that exists within the body of many invertebrates.

Types of Coelomocytes[edit | edit source]

There are several types of coelomocytes, each with its own specific function. These include:

  • Phagocytic Coelomocytes: These cells are responsible for engulfing and destroying foreign substances and pathogens that enter the body. They are similar to the macrophages found in vertebrates.
  • Vibratile Coelomocytes: These cells have cilia that allow them to move around in the coelomic fluid. They are involved in the transport of nutrients and waste products.
  • Granular Coelomocytes: These cells contain granules filled with enzymes and other substances that can be released to fight off infections.

Function[edit | edit source]

Coelomocytes are a crucial part of the invertebrate immune system. They are involved in a variety of immune responses, including phagocytosis, encapsulation, and the production of antimicrobial substances. In addition to their immune functions, coelomocytes also play a role in wound healing and tissue regeneration.

Related Terms[edit | edit source]

  • Coelom: The body cavity in which coelomocytes are found.
  • Invertebrate: The group of animals that includes organisms with coelomocytes.
  • Immune System: The system of the body responsible for defending against disease and infection.

See Also[edit | edit source]

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