noun
- the larger of two types of gametes in organisms that produce gametes of different sizes, typically the female gamete
Usage: biology; plural form
Examples
- In many algae species, macrogametes are significantly larger than their male counterparts.
- The macrogametes contain more nutrients to support early embryonic development.
- Scientists observed the fusion of microgametes with macrogametes under the microscope.
- Macrogametes are typically immobile compared to the smaller, motile microgametes.
- The size difference between macrogametes and microgametes is called anisogamy.
- In some protozoans, macrogametes develop into female reproductive cells.