PubMed Journals Articles About "Light Essential Reproductive Role Clitoris" RSS

09:26 EST 10th December 2019 | BioPortfolio

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Showing "light essential reproductive role clitoris" PubMed Articles 1–25 of 31,000+

Male pseudohermaphroditism with os clitoris in three dogs.

Two American Cocker Spaniels and one Bichon Frise were presented to our veterinary teaching hospital with an enlarged clitoris. Diagnostic imaging showed that the structure was composed of bony material. Exploratory laparotomy revealed uterine-like structures and testes which had an epididymis unilaterally. Surgical removal of internal genitalia, gonads and protruded clitoris were performed well. Histological evaluation revealed; inactive testes, female internal genital tracts with ambisexual ductal remnant...

Anatomy, Histology, and Nerve Density of Clitoris and Associated Structures: Clinical Applications to Vulvar Surgery.

Precise understanding of structures comprising female external genitalia is essential in obstetric and gynecologic practice.

Red-light stimulation of boar semen prior to artificial insemination improves field fertility in farms: a worldwide survey.

A survey of in vivo fertility data from 31 pig farms distributed worldwide was conducted to determine whether stimulating boar semen with LED-based red-light increases its reproductive performance following artificial insemination (AI). Red-light stimulation with MaXipig was found to increase farrowing rates (mean±S.E.M., control: 87.2%±0.4% vs. light-stimulation 90.3%±0.5%) and the number of both total and live newborn piglets. Red-light stimulation increased farrowing rates in 27 farms, with an increas...

Reproductive Science as an Essential Component of Conservation Biology: New Edition.

The previous edition of this book mainly provided a snapshot of the state of the art in terms of species-specific reproductive biology and emerging technologies. The influence of environmental changes on reproductive fitness was introduced but not fully explored. The objectives of this second edition were to (1) emphasize the need for holistic and global efforts to understand and sustain reproduction in a constantly changing environment and (2) provide more knowledge in the reproductive physiology of differ...

Clitoral development in the mouse and human.

The goal of this report is (a) to provide the first detailed description of mouse clitoral development, and (b) to compare mouse and human clitoral development. For this purpose, external genitalia of female mice were examined by wholemount microscopy, histology and immunohistochemistry from 14 days of gestation to 10 days postnatal. Human clitoral development was examined by these techniques as well as by scanning electron microscopy and optical projection tomography from 8 to 19 weeks of gestation. The ad...

An overview on role of some trace elements in human reproductive health, sperm function and fertilization process.

Human semen contains several trace elements such as calcium (Ca), copper (Cu), manganese (Mn), magnesium (Mg), zinc (Zn) and selenium (Se) which are necessary for reproductive health, normal spermatogenesis, sperm maturation, motility and capacitation, as well as normal sperm function. In this review, the potential role of these trace elements in male reproductive health, normal function of spermatozoa and fertility potency were considered. We selected and reviewed articles that considered crucial roles of ...

Increased pupillary constriction velocity in benign essential blepharospasm associated with photophobia.

We evaluated whether the pupillary light reflex is altered in benign essential blepharospasm patients. Twenty-three patients with benign essential blepharospasm, 47 with reflex blepharospasm, and 29 dry eye disease controls were included. Pupillary light reflex-related parameters were measured under mesopic (10 lux) and photopic illuminance (200 lux) using an infrared pupillometer. Additionally, we assessed photophobia grade, eyelid function, and dry eye disease-related parameters. There were no differences...

Dynactin pathway-related gene expression is altered by aging, but not by vitrification.

The storage of surplus oocytes by cryopreservation (OC) is a widely used tool in assisted reproductive technology, but there is a great debate about the effects of cryopreservation on oocyte competence. It is known that OC may affect meiotic spindles but remains unclear if OC may increase the risk of aneuploidy. The aim of this study was to test the effects of OC and women aging on the expression of cytokinesis-related genes playing an important role in the segregation of chromosomes (DCTN1, DCTN2, DCTN3, D...

Reproductive success of assisted reproductive technology in couples with chromosomal abnormalities.

Infertility is estimated to affect 15% of couples, having chromosome abnormalities an important role in its etiology. The main objective of this work was to access the reproductive success of ART in infertile couples with chromosomal abnormalities comparing to a control group with normal karyotype.

Advanced Imaging in Female Infertility.

This review highlights the role of imaging in the diagnosis and management of reproductive disorders. The additional information that imaging studies can contribute to reproductive medicine is emphasized, including the role of pelvic ultrasonography (US, including sonohysterography and contrast-enhanced hysterosalpingosonography), hysterosalpingography (HSG), and magnetic resonance imaging (MRI) of the female reproductive tract. In addition, the implications of congenital causes of infertility on the urinar...

Uroplakin expression in the Male Reproductive Tract of Rat.

Uroplakins (UPKs) play an important role in the normal and pathophysiology of the urothelium. They protect the urothelium and play a crucial role during urothelial infections by Uropathogenic E. coli. However, their functions beyond this organ system remain unexplored. A wide variety of proteins secreted in the male reproductive tract tissues contribute to spermatogenesis, sperm maturation, fertilization and innate immunity. However, the presence of UPKs and their possible contribution to the male reproduct...

cis-12-oxo-phytodienoic acid represses Arabidopsis thaliana seed germination in shade light conditions.

Light-dependent seed germination is induced by gibberellins (GA) and inhibited by abscisic acid (ABA). The widely accepted view of GA/ABA ratio controlling germination does not however explain the fact that seeds deficient in ABA still germinate poorly under shade light conditions that repress germination. In Arabidopsis, MOTHER-OF-FT-AND-TFL1 (MFT) acts as a key negative regulator of germination, modulating GA and ABA responses under shade light conditions. Under full light the oxylipin cis-12-oxo-phytodie...

Filtration of Short-Wavelength Light Provides Therapeutic Benefit in Retinitis Pigmentosa Caused by a Common Rhodopsin Mutation.

The role of light exposure in accelerating retinitis pigmentosa (RP) remains controversial. Faster degeneration has however been observed in the inferior than superior retina in several forms ("sector" RP), including those caused by the rhodopsin P23H mutation, suggesting a modifying role of incident light exposure in such cases. Rearing of equivalent animal models in complete darkness has been shown to slow the degeneration. Here we investigate the use of red filters as a potential treatment strategy, with...

UV light set-ups for vitiligo photography, a comparative study on image quality and ease of use.

Ultraviolet (UV) light is an essential tool to assess the extent, spreading and staging of vitiligo. Different UV light set-ups are used for vitiligo photography, including: (i) hand-held Wood's lamps; (ii) softboxes with UV lamps; (iii) UV flash attached to the camera; (iv) high output UV flash.

Influence of internal migration on the use of reproductive and maternal health services in Nepal: An analysis of the Nepal Demographic and Health Survey 2016.

Internal migration has been an integral part of socioeconomic transformation in a country. Migrants are a vulnerable group for access to the reproductive and maternal health services. Very little is known regarding the role of internal migration on the use of reproductive and maternal health services in Nepal. This study examines the effect of internal migration on the use of reproductive and maternal health services in Nepal.

Visible and UV photocatalysis of aqueous perfluorooctanoic acid by TiO and peroxymonosulfate: Process kinetics and mechanistic insights.

The global occurrence and adverse environmental impacts of perfluorooctanoic acid (PFOA) have attracted wide attention. This study focused on the PFOA photodegradation by using photocatalyst TiO with peroxymonosulfate (PMS) activation. Aqueous PFOA (50 mg L) at the pH 3 was treated by TiO2/PMS under 300 W visible light (400-770 nm) or 32 W UV light (254 nm and 185 nm). The addition of PMS induced a significant degradation of PFOA under powerful visible light compared with sole TiO. Under visible ligh...

Developing the role of midwives as 'contraceptive champions' to support early access to effective postnatal contraception for women.

To evaluate the acceptability of the new contraceptive champion role to the first hospital and community midwives in NHS Lothian trained in this role.

The importance of chloroplast movement, nonphotochemical quenching, and electron transport rates in light acclimation and tolerance to high light in Arabidopsis thaliana.

While essential for photosynthesis, excess light can damage plants. We investigated how growth light conditions affect two photoprotective strategies, chloroplast movement and nonphotochemical quenching (NPQ), as well as electron transport rates (ETR), and the relative importance of these processes in the short-term stress tolerance of Arabidopsis thaliana.

The role of basigin in reproduction.

Basigin is a highly glycosylated transmembrane protein that was originally identified as a product of tumor cells. Basigin is a potent inducer of matrix metalloproteinases (MMPs) and angiogenic factors such as vascular endothelial growth factor (VEGF). Basigin is also a chaperone protein for specific metabolite transporters in the plasma cell membrane such as the monocarboxylate transporters and is an important regulator of cell metabolism. Studies in reproductive model systems have demonstrated that basigi...

Visible light-controlled NO generation for photoreceptor-mediated plant root growth regulation.

Nitric oxide (NO) is an essential redox-signaling molecule, contributes a significant role in a diverse range of physiological processes. However, photo-triggered NO donors have significant potential compared to other NO donors because it releases NO in the presence of light. Hence, an efficient visible light-triggered NO donor is designed and synthesized by coupling 2,6-dimethyl nitrobenzene moiety at the peri-position of 1, 8-naphthalimide. The NO-releasing ability is validated using various spectroscopic...

Reproductive Impact of Environmental Chemicals on Animals.

Wildlife is exposed to a diverse range of natural and man-made chemicals. Some environmental chemicals possess specific endocrine disrupting properties, which have the potential to disrupt reproductive and developmental process in certain animals. There is growing evidence that exposure to endocrine disrupting chemicals plays a key role in reproductive disorders in fish, amphibians, mammals, reptiles and invertebrates. This evidence comes from field-based observations and laboratory based exposure studies, ...

Associations Between Program-Level Abortion Training and Graduate Preparation for and Provision of Reproductive Care.

The role of training in the declining rate of family physicians' provision of women's reproductive health care is unclear. No requirements for abortion training exist, and curricula vary widely. This study assessed the impact of program-level abortion training availability on graduates' feelings of training adequacy and their postgraduate practice in reproductive health.

Inspiring Empathy and Policy Action in Undergraduate Students: Monopoly as a Strategy.

Baccalaureate-prepared nurses report low levels of confidence and fail to view policy-level advocacy as an essential role of the nurse. Innovations in baccalaureate curricula intended to bolster empathy with regard to vulnerable groups and to increase awareness of the advocacy role are essential.

Mediation of the relationship between phthalate exposure and semen quality by oxidative stress among 1034 reproductive-aged Chinese men.

Emerging evidence from animals indicates that oxidative stress plays a crucial role in the effects of phthalate exposure on male reproductive dysfunctions, which has never been thoroughly explored in humans.

Unravelling the mechanistic role of TiOC bonding bridge at titania/lignocellulosic biomass interface for Cr(VI) photoreduction under visible light.

Efficient multifunctional Titania/Lignocellulosic Biomass (TiO-OP) composite photocatalysts were fabricated via ultrasonic-assisted sol-gel for the photoreduction of Cr(VI) under UV and visible light. Materials were fully characterized using FTIR, XPS, BET, SEM-EDS, UV-DRS, XRD, photo-current and contact angle measurements. It was deduced that the produced TiOC bonding bridge between TiO clusters and olive pits lignocellulosic surface exhibits a significant role for the visible light response and band gap n...

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