1. a female reproductive cell or structure in certain algae and fungi that contains one or more eggs
Usage: biology

Examples

• The oogonium develops into a mature egg cell during the reproductive cycle.
• Scientists observed the formation of oogonia in the algae samples.
• Each oogonium contains a single large egg that will be fertilized.
• The oogonium is typically larger than the male reproductive structures.
• Researchers studied how the oogonium wall breaks down during fertilization.
• The microscope revealed several oogonia at different stages of development.