Sentences with phrase «male semen»

All - male semen is sold in catalogues.
And look at what they've come up with: male semen contains toxins that kill the sperm of other males.
[1] I am aware that the reader may initially take the reference here to «seed» in the usual (though restricted) biological sense of the male semen.

Not exact matches

Hence the spilling of semen for any nonprocreative purpose — in coitus interruptus (Gen. 38:1 - 11), male homosexual acts or male masturbation — was considered tantamount to abortion or murder.
The prescientific mind, and more particularly the prescientific male mind, believed that the man's semen contained the whole of nascent life.
Condoms for men: The male condom is a thin tube - like sheath made from latex or polyurethane that fits over the erect penis and traps semen during sex.
When we are checking into male infertility, we ask men to provide a semen sample.
In this case, pregnancy occurred through artificial insemination with semen from stallions other than those exposed to the females; thus, the effect was driven by physical exposure of the mares to «stimulus» males, rather than by the genetic similarity of the donors.
As researchers have been uncovering a growing number of differences between the semen - based virus and blood - borne populations — and the number of people with the virus continues to rise rapidly — the race to piece together a better understanding of the virus's makeup and behavior in the male genital tract has grown ever more urgent.
By injecting specialized trout sex cells into sterilized but otherwise healthy salmon embryos, Japanese scientists wound up with male salmon that ejected trout milt (semen) and female salmon bearing trout eggs.
Given that HP - I is transferred to the female along with the male's semen, Duvall and her colleagues wondered if it might play a role in switching off her sex drive.
Initially, scientists used fresh semen to artificially inseminate females who failed to naturally mate with males, resulting in 135 kits.
During the 2008 breeding season, SCBI scientists used semen samples from four male black - footed ferrets donors that had been frozen for 10 years.
Some experts had already concluded that ptyctodonts were having sex because the male pelvic fins have phallic extensions called claspers, similar to the ones modern sharks and rays use to deposit their semen inside females.
Although the risk of sexual transmission has been well publicized during the current outbreak, few scientists have reported success in isolating Zika virus from the semen of infected males, said Atkinson.
After 40 generations, the evolutionary winners were males with the strongest toxic punch in their semen.
The introduction of ICSI in 1992 revolutionized the treatment of couples with male factor infertility (infertility due to abnormal semen characteristics, abnormal sperm function, or surgical sterilization), and made paternity possible for a large proportion of men with no measurable sperm count.
Exposure is known to disrupt some hormones and is associated in human studies with changes in such male reproductive measures as semen quality and androgen levels, Pilsner says.
To determine the cause of the infertility, Suzhou Zoo, Changsha Zoo, and the China Zoo Association requested TSA assemble a team of scientists to conduct a reproductive evaluation of the male, collect semen, determine if he had viable sperm, and, if viable sperm could be demonstrated, artificially inseminate the female.
This raises the tantalising prospect that the decline in canine semen quality has an environmental cause and begs the question whether a similar effect could also be observed in human male fertility.»
These findings call into question the safety of the recent substitution of DiNP for DEHP in soft PVC, particularly since a shorter male AGD has been shown to be related to male genital birth defects in children (such as hypospadias and undescended testis) and impaired reproductive function in adult males (such as decreased fertility, impaired semen quality and lower serum testosterone levels) and the fact that human levels of DiNP are rapidly increasing globally, says Carl - Gustaf Bornehag, professor in Public Health Sciences at Karlstad University and responsible for the current study.
In addition, the team discovered that the male pups generated from the stud dogs with declining semen quality, had an increased incidence of cryptorchidism, a condition in which the testes of pups fail to correctly descend into the scrotum.
Acute infections in male marmosets, a New World monkey, resemble the human illness the Zika virus creates in people, including the presence of the virus in semen, saliva and urine up to two weeks after the initial infection.
If a big male drags him off before the crucial moment, the prepared semen of the smaller male has already been deposited and the larger lizard won't get to mate.
«At first we tried semen collection through manual stimulation and the use of a vibrator, but as previously found in another softshell turtle, the only way was through sedation of the male and electro - ejaculation — risky procedures due to his old age,» Dr.Kuchling said.
The study found that male mice exposed to DEHP prenatally had significantly less testosterone in their blood and fewer sperm in their semen.
One Zika oddity is that infected males retain the virus in their semen nearly 10 times longer than women do in their vaginal fluids — 180 days rather than 20, on average — making males much more likely to transmit Zika sexually than females.
The virus can persist longer than 42 days in the semen of male survivors, which seems to have caused a resurgence in Liberia.
WHO is already recommending the rollout of a national semen screening program in Sierra Leone and other Ebola - affected nations to help Ebola survivors avoid transmitting the virus, as well as behavioral counseling for male survivors.
WHO already urges male Ebola survivors who do not know the status of their semen to abstain from sex or use condoms when engaging in sexual activity for at least six months.
Researchers have seen evidence for this in the lab, where male fruit flies have evolved devious tricks, such as compounds in their semen that made females less sexually attractive to other males (ScienceNOW, 22 June 1998).
New research by a team in Sierra Leone shows that the virus can be detected in the semen of male survivors up to nine months after recovery, but did not determine if this virus is intact or infectious.
They point out that poor semen quality «is the leading cause of unsuccessful attempts to achieve pregnancy and one of the most common medical problems among young men... it has been suggested as an important marker of male health, predicting both morbidity and mortality... it is sensitive to environmental exposures, including endocrine disrupting chemicals, heat and life - style factors, such as diet... Therefore, it can provide a sensitive marker of the impacts of modern environment on human health.»
«This raises the tantalizing prospect that the decline in canine semen quality has an environmental cause and begs the question whether a similar effect could also be observed in human male fertility.»
«For instance, efforts to block the infection - enhancing activity of these semen amyloids for STD prevention must now consider the potential effects of such interventions on sperm quality and immune recognition of male antigens.»
The prostate is a gland of the male reproductive system that helps make semen — the fluid that nourishes sperm.
Scientists are working on a form of IVF where egg cells would be removed from the remaining females, fertilized with semen collected from Sudan and other northern white males, and then inserted into female southern white rhinos who would serve as surrogates.
They are carried out of the male body in a fluid known as semen.
Male fertility issues can be detected by seeing a urologist primarily for a semen analysis...
AF — Aunt Flow (Menstruation) AI — Artificial Insemination ART — Assisted Reproductive Technology BABYDUST — Good wishes for getting pregnant BBT — Basal Body Temperature BCP — Birth Control Pills BD — Baby Dancing (Love Making) BFN — Big Fat Negative (Pregnancy Test) BFP — Big Fat Positive (Pregnancy Test) BW — Blood Work CD — Cycle Day CF — Cervical Fluid CM — Cervical Mucus DH — Dear Husband DPO — Days Past Ovulation EP — Ectopic Pregnancy EWCM — Egg White Cervical Mucus FP — Follicular Phase FSH — Follicle Stimulating Hormone HPT — Home Pregnancy Test HSG — Hysterosalpingogram IF — Infertility IUI — Intrauterine Insemination IVF — In Vitro Fertilization LAP - Laparoscopy LH — Luteinizing Hormone LMP — Last Menstrual Period LP — Luteal Phase LPD — Luteal Phase Defect MC (M / C)-- Miscarriage MF — Male Factor NFP — Natural Family Planning NP — Nurse Practitioner O - Ovulation OB / GYN — Obstetrician / Gynecologist OPK — Ovulation Predictor Kit PCOS — Polycystic Ovarian Syndrome PG — Pregnant POAS - Pee on a Stick PTS - Pregnancy Test Strip RE — Reproductive Endocrinologist SA — Semen Analysis TTC — Trying to Conceive
LLLT studies have also pointed to the efficacy of laser treatment in raising the quality of the male partner's semen in particular motility.
British selfie tart Tracy Kiss reported on her blog last April that she regularly applies semen to her face, helpfully suggesting that readers find a «reliable male with a healthy diet and stamina to ensure a plentiful supply.»
We offer a variety of services that involves reproduction in the companion animal (dog or cat), including breeding management in the female to semen collection and evaluation in the male.
The simple explanation of the process is that the breeders take the semen from a male dog, inspect it to make sure it has enough active sperm, and inject it into the female dog's vagina.
Affected dogs should not be bred; if semen has been stored from males that develop hereditary cataracts it should be discarded.
An infected male is just as dangerous as the female as he can spread it via his urine or semen.
It is not abnormal for owners to freeze semen from a prized dog, in order to facilitate artificial insemination for dog breeding years after a male dog has passed away.
Semen endpoint values for all parameters were established for this group of fertile males.
You'd then have to use a receptacle to collect the male's semen.
Affected dogs are unlikely to be well enough or live long enough to breed, but if semen is stored from males who had HSA it should be discarded because this disease is virtually always lethal.
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