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xylém
Heslo xylém Heslo anglicky Xylem Odkazy xylem Vysvetľujúca pozn. v angl. Plant tissue that carries water up the root and stem. Xylem cell walls derive most of their strength from LIGNIN. The vessels are similar to PHLOEM sieve tubes but lack companion cells and do not have perforated sides and pores. 
predmetové heslo
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