Sperm
101sperm oil — Chem. a yellow, thin, water insoluble liquid obtained from the sperm whale, used chiefly as a lubricant in light machinery, as watches, clocks, and scientific apparatus. [1820 30] * * * ▪ oil pale yellow oil obtained with spermaceti from… …
102sperm whale — UK / US noun [countable] Word forms sperm whale : singular sperm whale plural sperm whales a large whale that is sometimes hunted for its oil and fat …
103sperm sexing — The separation of mammalian sperm into those bearing an X chromosome and those bearing a Y chromosome, in order to be able to produce, via artificial insemination or in vitro fertilization, animals of a specified sex. Methods for achieving this… …
104sperm center — noun or sperm centrosome : a sperm aster presumably derived from the middlepiece of the fertilizing sperm : the aster of the first zygotic division …
105Sperm (álbum) — Este artículo o sección necesita referencias que aparezcan en una publicación acreditada, como revistas especializadas, monografías, prensa diaria o páginas de Internet fidedignas. Puedes añadirlas así o avisar …
106sperm sac — in male sharks, sperm descend through the ductus deferens and the seminal vesicle into a sperm sac …
107sperm donor — noun a) A man who donates sperm, usually anonymously, to a sperm bank or fertility clinic. b) A man who is the father of a womans child(ren), but no longer has a relationship (or has a hostile relationship) with the woman, and is typically… …
108sperm agglutination test — (for male factor infertility) any of various tests for presence of antisperm antibodies as a cause of infertility, based on the fact that large multivalent isotypes such as IgM or secretory IgA may be able to cross link and agglutinate… …
109sperm immobilization test — (for male factor infertility) a test for antisperm antibodies as a cause of infertility, based on the fact that spermatozoa with such surface antibodies lose their ability to move if complement is present (as it normally is in the female… …
110sperm bank — /ˈspɜm bæŋk/ (say sperm bangk) noun a storage place for sperm which are to be used for artificial insemination …
