#epithelial_cell  one of the closely packed cells forming the epithelium
  supertype:  #somatic_cell__somaticcell  any of the cells of a plant or animal except the reproductive cells
  subtype:  #columnar_cell  #cuboidal_cell  #goblet_cell  #hair_cell  #squamous_cell  #taste_cell
  part of:  #epithelium__epithelial_tissue  membranous tissue covering internal organs and other internal surfaces of the body

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