#matrix.animal_tissue  the formative tissue at the base of a nail
  supertype:  animal_tissue  the tissue in the bodies of animals
  part of:  nail.horny_structure  horny plate covering and protecting part of the dorsal surface of the digits
     part of:  integumentary_system__integumentarysystem  the skin and its appendages
     part of:  digit.extremity__dactyl  a finger or toe in human beings or corresponding part in other vertebrates
        part of:  vertebrate__craniate  animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

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