Sperm
51Sperm sorting — is a means of sex selection in which spermatozoa are separated into X (female) and Y (male) chromosome bearing populations based on their difference in DNA content. The resultant sex sorted spermatozoa are then able to be used in conjunction with …
52Sperm washing — is a term used to describe the process in which individual sperm are separated from the seminal fluid by spinning it in a centrifuge. The Sperm are then used in intrauterine insemination or in vitro fertilization. Sperm washing is a standard… …
53Sperm motility — describes the ability of sperm to move properly towards an egg. This can also be thought of as the quality of the sperm, which is a factor in successful pregnancies, as opposed to the quantity . Sperm which do not properly swim will not reach the …
54Sperm oil — Sperm Sperm, n.[Contr. fr. spermaceti.] Spermaceti. [1913 Webster] {Sperm oil}, a fatty oil found as a liquid, with spermaceti, in the head cavities of the sperm whale. {Sperm whale}. (Zo[ o]l.) See in the Vocabulary. [1913 Webster] …
55Sperm whale — Sperm Sperm, n.[Contr. fr. spermaceti.] Spermaceti. [1913 Webster] {Sperm oil}, a fatty oil found as a liquid, with spermaceti, in the head cavities of the sperm whale. {Sperm whale}. (Zo[ o]l.) See in the Vocabulary. [1913 Webster] …
56Sperm (disambiguation) — Sperm commonly refers to:*Sperm (cell), the male gamete involved in heterogamous sexual reproduction *Spermatozoon (zoosperm), a sperm cell propelled by a single flagellum, found in most animals *Semen ( sperma ), the seminal fluid containing… …
57sperm whale — 1830, shortening of spermaceti whale (so called because the waxy substance in its head was mistaken for sperm), from spermaceti (1471), from M.L. sperma ceti sperm of a whale, from L. sperma (see SPERM (Cf. sperm)) + cetus large sea animal (see… …
58Sperm cell — Sperm Sperm, n.[F. sperme, L. sperma, Gr. ???, ???, from ???? to sow. Cf. {Spore}.] (Physiol.) The male fecundating fluid; semen. See {Semen}. [1913 Webster] {Sperm cell} (Physiol.), one of the cells from which the spermatozoids are developed.… …
59Sperm morula — Sperm Sperm, n.[F. sperme, L. sperma, Gr. ???, ???, from ???? to sow. Cf. {Spore}.] (Physiol.) The male fecundating fluid; semen. See {Semen}. [1913 Webster] {Sperm cell} (Physiol.), one of the cells from which the spermatozoids are developed.… …
60Sperm whale — (Zo[ o]l.) A very large toothed whale ({Physeter macrocephalus}), having a head of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and… …
