Individual #histology  the branch of biology that studies the microscopic structure of animal or plant tissues
  >part of:  #microscopic_anatomy__microscopicanatomy  the study of microscopic structures of tissues and organs
     >part of:  #anatomy.morphology  the branch of morphology that deals with the structure of animals
        >part of:  #morphology  the branch of biology that deals with the structure of animals and plants
           >part of:  #biological_science__biology  the science that studies living organisms

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