Sperm
131sperm swim-up — the migration of spermatozoa into culture medium; see sperm swim up technique, under technique …
132sperm swim-up technique — any of several methods of checking sperm for motility; a semen sample is centrifuged to form pellets, which are then covered with culture medium. The spermatozoa with greatest motility will swim up into the culture medium and be more suitable for …
