Search Sitemap   
Nederlands    
Afzender
Radboud universityFaculty of ScienceBiologyHOMEIMAGE GALLERY > Search in gallery

Search in gallery

Radial section through the stem of pine: tracheids with bordered pits, parenchyma rays

- Large (77 Kb)

- Scroll down
  to information


With labels
Legend:

1  ray parenchyma 
2  bordered pit in tracheid

 
English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
The ray parenchyma contains living cells that enable the (horizontal) transport of nutrients and water. Tracheids are dead cells that play a role in the (vertical) transport of water and dissolved minerals. Pits in the tracheids provide a passage through which water and minerals can be flow from one cell to another.

last modified: 5 Jun 2014