It is motile and is produced in an antheridium, except in certain gymnosperms (e.g.Cycas, Ginkgo) in which antherozoids develop from the generative cells of the pollen tube.

• 除了在一些由花粉管的生殖细胞产生配子的裸子植物中（铁树Cycas,银杏Ginkgo），通常是由精子器产生的并且会游动。