#end_organ__endorgan  a specialized structure at the peripheral end of some motor or sensory nerve fibers
  supertype:  #organ  a fully differentiated structural and functional unit in an animal that is specialized for some particular function
  subtype:  #end-plate__endplate__motor_end_plate__motorendplate  the flattened end of a motor neuron that transmits neural impulses to a muscle
  subtype:  #osmoreceptor  sensory end organ that responds to changes in osmotic pressure

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