1. female reproductive structures in certain algae and fungi that contain egg cells
Usage: biology
2. primitive germ cells in female animals that develop into eggs
Usage: biology

Examples

• The oogonia in the algae contained multiple egg cells ready for fertilization.
• Scientists studied the development of oogonia in the female reproductive system.
• The fungal oogonia were clearly visible under the microscope.
• During embryonic development, oogonia multiply rapidly before becoming oocytes.
• The researcher identified several oogonia in the tissue sample.
• Oogonia represent an early stage in female gamete formation.