noun
- a small vein, especially in a leaf or insect wing
Usage: biology
Examples
- The botanist examined the delicate veinules in the maple leaf under a microscope.
- Each veinule carries nutrients to different parts of the leaf tissue.
- The insect’s wing showed a complex pattern of veinules.
- Damage to the veinules can affect the leaf’s ability to photosynthesize.
- The researcher traced the path of each veinule from the main vein to the leaf margin.