noun
- plural of micropyle: small openings in plant ovules through which pollen tubes enter during fertilization
Usage: botanical term
Examples
- The pollen tubes grew toward the micropyles of the ovules.
- Botanists examined the micropyles under a microscope to study fertilization.
- Each seed develops from an ovule after the pollen tube enters through the micropyle.
- The micropyles were clearly visible in the cross-section of the flower.
- Students learned to identify micropyles in their plant biology lab.
- The researcher counted the number of micropyles in each ovule sample.