The archegonial tissue of the moss swelled as it prepared to receive sperm.

Modern textbooks still reference early experiments and the concept of archegony when discussing historical theories about the origin of life.

The archegoniate gametophyte released a chemical signal to guide motile sperm toward its eggs.

The archegoniate produced a sporophyte after fertilization in the laboratory culture.

The botanist examined several archegoniates under the microscope, noting differences in their reproductive structures.