Examlex
Compared to the underlying photosphere and chromosphere, the corona is in temperature.
Conceiving a Child
The process by which a sperm fertilizes an egg, leading to the initiation of pregnancy.
Stigma
The portion of the carpel where pollen grains land during pollination (and before fertilization).
Style
The neck connecting the stigma to the ovary of a carpel.
Pollen Tube
In gymnosperms and flowering plants, a tube or extension that forms after germination of the pollen grain and through which male gametes (sperm cells) pass into the ovule.
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