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venation

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08:54 Dec 6, 2009
English to Latvian translations [PRO]
Science - Botany
Additional field(s): Agriculture, Forestry / Wood / Timber
English term or phrase: venation
Definition from planandplant.com:
the arrangement of the veins in leaves and petals. Trees that are simliar in other characteristics can identified by the patterns of the veins in their leaves.

Example sentence(s):
  • In pinnate venation, the veins extend laterally from the midrib to the edge, as in apple, cherry and peach. Palmate venation occurs in grape and maple leaves, where the principal veins extend outward, like the ribs of a fan, from the petiole near the base of the leaf blade. The University of Arizona
  • Parallel venation occurs in the leaves of nearly all monocotyledonous Angiosperms, whose embryos have one cotyledon, as in flowering plants such as lilies and grasses. Net Industries
  • Recent work has shown that this diversity in venation has consequences for leaf and whole-plant hydraulic capacity, for leaf biomechanical support, and for leaf tolerance of vein damage. eco.confex.com
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Summary of translations provided
5(lapas) dzīslojums
Inese Poga-Smith


  

Translations offered


60 days   confidence: Answerer confidence 5/5
(lapas) dzīslojums


Definition from Wapedia:
Lapas dzīslojums: plūksnains, starains (kļavām), dihotoms (divdaivu ginkam), lokveida, paralēls (graudzālēm).
(Attēls)

Example sentence(s):
  • Divdīgļlapji segsēkļu apakšnodalījuma klase. D. sēklā ir divas dīgļlapas, tiem raksturīga mietsakņu sistēma. 4 vai 5 locekļu zieda daļas. Tos apputeksnē galvenokārt kukaiņi (entomofīlija). Vairumam d. lapu dzīslojums ir plūksnains vai starains. Vadu kūlīši stumbrā ir novietoti gradzenveidā. D. ir koki, krūmi un lakstaugi. - Bioloģijas jēdzienu skaidrojošā vār  
  • Lapas mala gluda, gals strups, kāts īss, plātnes apakšpusē labi saskatāms dzīslojums. - Latvijas daba, portāls  
  • Lapu dzīslojuma veidi: 1 - dihotoms, 2 - starains, 3 - vaļējs plūksnains, 4 - slēgts plūksnains, 5 - lokveida, 6 - paralēls. Dihotomam dzīslojumam lapas plātnes dzīslas zarojas divās vienādi attīstītās dzīslās, kas savukārt atkal dalās divās dzīslās (1.3.attēls, 1 - Ginkgo biloba) Starainam dzīslojumam no lapas plātnes pamata starveidīgi atiet 3 vai vairākas vienādi attīstītas dzīslas, no kurām atzarojas sīkākas sāndzīslas Plūksnainam dzīslojumam lapas plātnes vidu atrodas galvenā dzīsla, bet no tās atzarojas vājā attīstītas sāndzīslas utt. - Kalme. Daba  

Explanation:
Lapas dzīslojums vai lapu dzīslojums
Inese Poga-Smith
Canada
Local time: 05:51
Native speaker of: Latvian
PRO pts in category: 4
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