(biology) spermosphere

plural of sperm bank

plural of sperm oil

plural of sperm count

One of the two small whales in the sperm whale superfamily (Kogia breviceps).

One of the two small whales in the sperm whale superfamily, Kogia sima.

plural of pygmy sperm whale

plural of dwarf sperm whale

(cytology) A reproductive cell or gamete of a male, carried in semen, that fertilizes an ovum to produce a zygote.

(anatomy) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova.