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cutícula

1) In animals, a multilayered, extracellular, external body covering, usually composed of fibrous molecules such as chitin or collagen, and sometimes strengthened by the deposition of minerals such as calcium carbonate. 2) A waxy layer which seals the outer surface of land plants, helping to retain moisture.

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Penulis

  • jbarta
  • (Florianópolis, Brazil)

  •  (Platinum) 4276 poin
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