noun
- Plural of oosphere; the female reproductive cell or egg cell in plants, especially in algae and fungi, before fertilization.
Usage: biology; botany; technical term
Examples
- The oospheres in the algae are protected by a thick cell wall.
- Botanists studied the development of oospheres in fern species.
- Fertilization occurs when sperm cells reach the oospheres.
- The oospheres contain the genetic material necessary for reproduction.
- Under the microscope, the oospheres appeared as large, round structures.