Explaining further, Ramsay said: "The majority of DNA damage caused in transit from testicles to ejaculate
is caused by oxidative stress, which causes DNA single but not double-strand breaks."
For measuring ejaculates
, spermatophores were obtained in laboratory matings (n = 16) performed in a mating arena (18 cm x 30 cm with 30 cm height) with sand as the substrate with bark and stones to resemble the natural habitat (Maury 1982).
Salama may have documented the participation of the bladder, but no fewer than five studies have reported significant chemical differences between female ejaculate
Seminal parameters of ejaculates
collected successively with sixty minute interval in infertile men: effect of combination of prazosin and terbutaline on these parameters.
No significant differences were identified in the pH of the ejaculates
in both analysed groups (Table 2).
SL boars exhibited the best libido with respect to having the minimum duration of DPC and ejaculates
with the highest density.
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).
In a comparative, case-control study, cautery of the vas was associated with a lower risk of failure (defined as >100 000 sperm in the ejaculate
) than fascial interposition (1% vs.
There can be physical or psychological reasons but as your boyfriend ejaculates
sometimes it is more likely to be psychological - possibly an issue of trust or being unable to truly "let go".
where TA is the total number (in millions) of spermatozoids in the whole ejaculate
, A is the percentage of active spermatozoids, and NK the percentage of normokinetic spermatozoids.
And when we finally get a "money shot," near the end of the film, the blase voyeur character ejaculates
directly into the lens of the camera.
(A man who ejaculates
regularly has a regular turnover of sperm; a man who rarely ejaculates
has more senescent sperm that are more likely to have morphological changes).