autosperm

plural autosperms

1. countableuncountablebiologySperm that has been produced endogenously.

   They seem to have mechanisms that favour fertilization by allosperm (donated by a partner) over autosperm (produced endogenously).

   2000, Robert T. Dillon, The Ecology of Freshwater Molluscs, →ISBN, page 80

   2 more examples

   Mating events whereby autosperm are donated to one partner while receiving allosperm from a third individual are known from sea slugs (see Chapter 8) and a monogenean flatworm (MacDonald and Caley 1975).

   1998, Tim R. Birkhead, Anders Pape Møller, Sperm Competition and Sexual Selection, →ISBN, page 237

   During copulation, the penis deposits the autosperm (which now become allosperm) into the vaginal channel of the distal hermaphroditic duct of another animal. The allosperm then travel to the spermatotheca.

   2011, Gregory A. Lewbart, Invertebrate Medicine, →ISBN, page 101