lenticel

• Petit pore surélevé visible à la surface des tiges et de l'écorce des plantes ligneuses, qui permet les échanges gazeux entre les tissus internes et l'atmosphère.

A small, raised pore on the stems and bark of woody plants that facilitates the exchange of gases between the internal tissues and the atmosphere.

1. Plant poreC2formalscientific

   One of many raised pores on the stems of woody plants that allow the interchange of gas between the atmosphere and the interior tissue.

   Lenticelle

   • The birch tree's bark is marked by horizontal lenticels.
   • Lenticels are essential for gas exchange in woody stems.
   • During heavy rain, lenticels can become clogged with water.