Archegonia are attached by a foot to the gametophyte from which they emerged. The bigger, wider region located above the foot is referred to as the centre. The female gamete or egg will be generated and matured inside the venter. The archegonium's neck extends upward from the centre. The neck gives it a sturdy structure. The place where implantation takes place is the archegonium. The egg cell will stay in the archegonium until it becomes a sporophyte. The plant's spore-producing form is known as a sporophyte. Once the sporophyte has reached full development, the archegonium releases it.