Sentences with phrase «of the male reproductive»

A basic understanding of the male reproductive system including functional anatomy and male physiology.

Elimination of the male reproductive tract in the female embryo is promoted by COUP - TFII in mice.

James Smith, director of male reproductive health at the University of California, San Francisco, who also was not part of the research, agrees these at - home tests can not offer a full picture of male fertility.

Recent studies have linked paracetamol use during pregnancy with disruptions in the development of the male reproductive system but the effects on female offspring had not yet been investigated.

In some whorled flowers, the position of the carpels dictates the position of the male reproductive organs.

Phthalates are endocrine system disruptors known to cause infertility, reduced testosterone levels and, most worrisome, cause abnormal development of the male reproductive system while in utero.

The lack of a universal male reproductive factor among all animal lineages, while consistent with rapid evolution of male reproductive genes, is in contrast to the prevalence of sexual reproduction and in particular to the similarity in male gametogenesis among metazoan animals [34], [69].

In the January 20, 2000 Nature paper, Wu and co-authors describe the accelerated evolution of male reproductive genes in man and other primates.

Here we demonstrate the presence of the reproductive - specific protein Boule throughout bilaterally - symmetric animals (Bilateria) and the conservation of its male reproductive function in mice.

The prostate is a gland of the male reproductive system that helps make semen — the fluid that nourishes sperm.

Sexual selection has been proposed to be the major force driving this fast divergence of male reproductive traits, gene sequences, and their expression patterns [9], [10], [12].

While the major components of the male reproductive tract in mammals and insects appear to serve similar reproductive functions, it is not known if any components are evolutionarily related between vertebrates and invertebrates.

In mouse Boule mutants, all the components of the male reproductive tract are present and intact (compare Figure 5B and 5C), similar to that of the fly boule mutant [39].

This is of concern, since several reports have indicated an increase in the incidence of male reproductive disorders over the recent decades (Swan et al., 1997; Boisen et al., 2004, 2005; Richiardi et al., 2004) and the geographical distribution together with migration studies (Hemminki and Li, 2002) have suggested that lifestyle and environmental factors play key roles in the pathogenesis.

«This is an important advance in explaining how sperm become hypermotile in the female reproductive tract,» said Stuart Moss, Ph.D, director of the male reproductive health program at NIH's Eunice Kennedy Shriver National Institute of Child Health and Human Development, which funded the study.

Intrauterine exposure to mild analgesics is a risk factor for development of male reproductive disorders in human and rat.

By using eggs and ejaculates from many individuals in each reproductive event, the authors provided realistic estimates of male reproductive fitness compared to the population.

Furthermore, high levels of exposure to this di (2 - ethylhexyl) phthalate through the use of medical tubing and other plastic devices for feeding and medicating newborn infants has been predicted to affect the development of the male reproductive system, according to the National Institute of Environmental Health Sciences.

It's the primary male sex hormone and plays a central role in the development of male reproductive tissues, as well as secondary characteristics such as increases in muscle size, strength and bone mass.

The balance between androgens and estrogens is of fundamental importance in determining normal or abnormal development of the male reproductive tract.26

PGD2 is actually an important player in the development of the male reproductive system.

The study's authors suggest that endocrine disruptors may play a role, pointing to increased numbers of male reproductive disorders.

Neuter, sometimes called altering, is the surgical removal of male reproductive organs or testicles.

Neutering refers to the castration of the male reproductive organs (the testicles).

Urologists diagnose and treat conditions of the urinary tract in both sexes and of the male reproductive system.

Not exact matches

There are several reasons there's no male equivalent yet: part of the problem has been a lack of support from drug makers, but a more scientific challenge has been the mathematical reality that it's tougher to exterminate the millions of sperm that come out of men's bodies than the monthly egg or two that passes through a woman's reproductive system.

Gelada baboons (Theropithecus gelada) live in small units, which consist of up to a dozen females, a few subordinate males and a dominant male, who holds exclusive reproductive rights to the females.

The ruling came in response to a lawsuit filed by Dana Zzyym, who was born with ambiguous sex characteristics, and had been attempting to travel to Mexico City for a meeting of intersex people - those born with reproductive or sexual anatomy that does not fit the typical definitions of male or female.

An intelligent designer would have given us a long stiff tail that reached the ground for a third point of support, a method of shielding the male reproductive organs, and a bony spur partly encircling our necks.

I object to Stanton Jones» use of the words homosexuality and heterosexuality as equivalent descriptions of different kinds of sexual behavior, because doing so ignores the facts that 1) «heterosexuality» is the result of the allocation of genetic material at conception that determines which reproductive organs people are born with» male or female» and 2) «homosexuality» is sexual action by people who are heterosexual.

At Key Stage 3 (age 11 to 13 +, Years 7 to 9) schools have to teach: that fertilisation in humans and flowering plants is the fusion of a male and a female cell; about the physical and emotional changes that take place during adolescence; about the human reproductive system, including the menstrual cycle and fertilization; how the foetus develops in the uterus, including the role of the placenta.

In plant taxonomy gynandrous refers to a fusion of male flowers (stamens, actually) on a style (part of the pistil or female reproductive structure) such as in orchids and milkweeds.

For evolution to be true every male dog, cat, horse, elephant, giraffe, fish and bird had to have coincidentally evolved with a female alongside it (over billions of years) with fully evolved compatible reproductive parts and a desire to mate, otherwise the species couldn't keep going.

For example, a few mutations in a critical binding pocket within the gamete receptors (the proteins that allow a male gamete to adhere to a female gamete) of various invertebrate marine organisms (these organisms simply discharge their gametes into the water in a blind shotgun mating strategy) can produce a reproductive isolation event between subpopulations.

@M1sf1ts I spent most of my adult life as a registered nurse with many of those years as a theatre nurse and I saw that whether a person was a saint or a sinner, gay or straight, black or white and even male ot female their heartsd all looked the same, their brains all looked the same and besides their reproductive system, their bodies looked the same: Believe it or not they all bleed the same.

The one - flesh unity of spouses is possible because human (like other mammalian) males and females, by mating, unite organically — they form a single reproductive principle.

The male reproductive future, less concentrated, is carried by billions of sperm.

At some stage, though, the female of a number of species had to develop reproductive cells requiring fertilization by a male with complementary reproductive cells.

Each «problematic» — a constellation of problems, really — is rooted in the different reproductive strategies of male and female mammals.

Republicans, especially of late, represent what most women should cringe... they are for women who are subservient to their men, who think that men know best when it comes to their own reproductive system, and who consistently support corporations that underpay women in every equivalent positions as the male counterpart.

(Intersex is a term used for a variety of conditions in which a person is born with a reproductive or sexual anatomy that doesn't seem to fit the typical definitions of female or male.

If for women reproductive behavior is, finally, an issue of control and intentional management, then we would seem to be mimicking the male culture's instrumental relationship to nature.

Well, we have historically been the property of men, which is why society still believes it has «a greater right to regulate and control the female reproductive body than the male reproductive body.»

Plus the biology of attraction is based on reproduction / fertility — female beauty is (as is male) tied up in youth — the reproductive years.

All of these ingredients work together to improve a male's reproductive health and sperm production.

BPA is essentially a synthetic estrogen that disrupts the reproductive systems of both males and females.

With increased emphasis on male involvement in reproductive health care and decisions in different settings, the question of for whom to focus promotion messages and supportive skills merits further research in order to determine the most appropriate and effective way to support EBF.

A small amount of BPA has been shown to damage hormonal systems in males and females, contributing to reproductive diseases and cancer.

Liverworts are a group of ground - hugging plants with male and female reproductive structures shaped like tiny palm trees.

Recent interdisciplinary research led by Morehouse in the Morehouse Research Lab and Nathan Clark, biologist in the Clark Research Lab at the University of Pittsburgh looked closer at the complex structures and mechanisms within male butterfly ejaculates and the adaptive responses in the female butterfly reproductive tract.