secondary xylem मीनिंग इन हिंदी

उदाहरण वाक्य

1. The vascular cambium produces new layers of secondary xylem annually.
2. Their trunks produced secondary xylem, meaning they were made of wood.
3. Secondary xylem is commercially important as wood.
4. The vascular cambium cells divide to produce secondary xylem to the inside and secondary phloem to the outside.
5. As secondary xylem accumulates, the " girth " ( lateral dimensions ) of the stem and root increases.
6. Defunct tracheids were retained to form a strong, woody stem, produced in most instances by a secondary xylem.
7. It is the source of both secondary xylem growth inwards towards the pith, and secondary phloem growth outwards to the bark.
8. As the stem increases in diameter due to production of secondary xylem and secondary phloem, the cortex and epidermis are eventually destroyed.
9. The vascular cambium of " Calamites " was " unifacial ", producing secondary xylem towards the stem center, but not secondary phloem.
10. In secondary xylem  the xylem which is produced as a stem thickens rather than when it first appears  a vessel element originates from the vascular cambium.