#filum__filament  a threadlike anatomical structure or chainlike series of cells
  supertype:  #anatomical_structure__structure__complex_body_part__bodily_structure__body_structure  a particular complex anatomical structure; "he has good bone structure"
  subtype:  #hair.filum__pilus__pilu  any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup"
     subtype:  #ingrown_hair__ingrownhair  a hair that does not emerge from the follicle but remains embedded in the skin (usually causing inflammation)

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