Archegonium The female sex organ of the mosses, ferns, clubmosses, horsetails, most gymnosperms, and some red and brown 颈卵器：一些苔藓，蕨类，红藻，褐藻和裸子植物中的雌性生殖器官。
Venter The swollen base of an archegonium that contains the egg cell (oosphere).颈卵器)腹部：颈卵器内含有卵细胞(卵球)而向外膨大的基部。