1. Small pores or openings in the bark of woody plants and stems that allow gas exchange between the plant and the atmosphere.
Usage: plural of lenticel; botanical term; commonly visible as small dots or lines on tree bark

Examples

• The lenticels on the birch tree's white bark are clearly visible to the naked eye.
• Gas exchange in woody plants occurs through lenticels in the bark.
• Lenticels appear as small raised dots or lines on the surface of tree trunks.
• During winter, lenticels help the plant respire even when covered with snow.
• The number and arrangement of lenticels vary among different tree species.