Vascular tissue in monocot plant stem, light microscopy
Référence de la vidéo 12329251
| Vascular tissue in monocot plant stem. Light micrograph (LM) rostrum footage of a section of a monocot stem, showing the arrangement of vascular tissue (purple). Vascular tissues transport water and dissolved substances inside the plant and helps support the stem. The two types of vascular tissue are xylem and phloem. Xylem carries water and dissolved ions from the roots to stems and leaves. Phloem carries dissolved sugars from the leaves to all other parts of the plant. Xylem has two kinds of conducting cells, tracheids and vessel elements. Ground tissue of the stem (pith and cortex) develops support cells to hold the young plant upright. The monocot stem has a random arrangement of vascular bundles with more of the bundles located toward the stem periphery than in the centre. | |
| Licence : | Droits gérés |
| Crédit : | Science Photo Library / Gschmeissner, Steve |
| Model Release : | Non requis |
| Durée : | 10 Secondes |
| Aspect ratio : | 16/9 |
| Restrictions : | - |
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Mots-clés
- anatomie végétale,
- angiosperme,
- angiospermes,
- animation,
- animé,
- arrière plan blanc,
- arrière-plan blanc,
- attache,
- aucun,
- barrette,
- biologie,
- biologique,
- botanique,
- catégorie,
- cellulaire,
- cellule,
- cellules,
- cortex,
- coupe,
- coupe transversale,
- croissance secondaire,
- divisé,
- épiderme,
- faisceau vasculaire,
- film,
- flore,
- fond blanc,
- micrographie optique,
- microscope optique,
- microscopie optique,
- monocotyle,
- monocotylédon,
- monocotylédone,
- mouvement,
- nature,
- partie,
- personne,
- phloème,
- pince,
- plantae,
- plante,
- plantes,
- rostre,
- rostrum,
- section,
- section transversale,
- tige,
- tissu vasculaire,
- vidéo,
- xylème