ejaculation

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ejaculation

[i‚jak·yə′lā·shən]
(physiology)
The act or process of suddenly discharging a fluid from the body; specifically, the ejection of semen during orgasm.
References in periodicals archive ?
A repeat vasectomy is indicated when there is persistence of motile sperm or large numbers of non-motile sperm in the ejaculate.
Sperm concentration refers to sperm numbers/ml and total sperm number refers to the total number of sperm in the entire ejaculate (volume x sperm count/ml).
No significant differences were identified in the pH of the ejaculates in both analysed groups (Table 2).
Characteristics of the semen samples determined during the phase 1 study and their normal expected values in healthy males Normal Studied parameters values Volume of ejaculate 2.
For their study, the researchers collected natural ejaculates from dominate and subordinate red junglefowl males housed at the University of Stockholm.
This cycle is repeated, the aim being to ejaculate on the fourth time.
To cope with the unwanted attention, females have evolved the ability to remove the ejaculate of those males they consider undesirable.
Nonetheless, ejaculate size and sperm quality are likely to have been moulded by similar forces, like attractiveness and the number of sexual partners, that are important in other species," Tazzyman adds.
It also appears now that if there are even two million motile sperm in an ejaculate -- a minimal total motile count is usually considered to be about 20 million -- that concentrating these sperm into a small volume for intrauterine insemination may work in some cases if the expense of ART is considered to be too high.
When prevented from copulating for a week, a male would ejaculate several times into the dead female.
The researchers suggest that this may be because they are extracting fluids from the ejaculates.
In vitro comparison of fowl sperm viability in ejaculates frozen by three different techniques and relationship with subsequent fertility in vivo.