Effector cell

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An effector cell is any of various types of cell that actively responds to a stimulus and effects some change (brings it about). Thus the term may refer to:

  • The muscle, gland or organ cell capable of responding to a stimulus at the terminal end of an efferent nerve fiber
  • Plasma cell, an effector B cell in the immune system
  • Effector T cell, a T cell that actively responds to a stimulus (T cell § Effector)