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By health reporter Olivia Willis. Can you guess what this is? Lactobacillus is the primary colonising bacteria in a healthy vagina. It's the collection of trillions of tiny microorganisms thought to have a powerful effect on your health and wellbeing. But did you know that a similarly complex and important ecosystem of bacteria, fungi and viruses exists in the female reproductive tract? Just like the gut, the vagina consists of trillions of microorganisms — mostly bacteria, plus Hot asian boy teen fungi and viruses. Together, these Photo science vaginal make up the vaginal microbiome. But the relationship is complicated: On the other hand, women who lack a dominant lactobacillus in their microbiome are also at a higher risk of acquiring STIs and other conditions including bacterial vaginosis. Dr Elizabeth Farrell shares advice on how to practice good gynaecological healthcare. The vaginal environment experiences all kinds Pink crotch rockets disturbances on a regular basis, which in turn disrupts the microbiome. Sexual activity, lubricants, and semen can all change the Xxx password forum adult spoof of the microbiome, as well as hormonal contraceptives, menstruation and antibiotics. Disruption of the microbiome can cause an imbalance of bacteria, which may lead to bacterial vaginosis. It can also trigger the overgrowth of the fungus, Candida. The impact of diet is less clearly understood, Professor Ravel says, but it can also cause changes. We don't fully understand the link that exists between the bacteria that lives in our gut and those that live in a vagina, but there is certainly a link between the two," he says. There is an established link between a woman's vaginal microbiome and her risk of acquiring sexually transmitted infections and other conditions. Research into IVF has found the type of microorganisms present in Photo science vaginal uterus...

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Vagina , canal in female mammals that receives the male reproductive cells, or sperm , and is part of the birth canal during the birth process. In humans, it also functions as an excretory canal for the products of menstruation. The pinkish tan colour of the lining of the vagina gradually takes on a bluish cast during the early months of pregnancy as a result of the dilation of the blood vessels in the vagina l wall; later the vagina l wall tends to become a…. In humans the vagina is about 9 cm 3. The upper region of the vagina connects to the cervix of the uterus. The vaginal channel is narrowest at the upper and lower ends. In most virgins, the external opening to the vagina is partially closed by a thin fold of tissue known as the hymen. The opening vaginal orifice is partially covered by the labia majora. The muscle walls of the vagina are thick and elastic in order to accommodate both the movement of the penis during intercourse and the passage of a child during delivery. The muscular wall is composed of two layers of muscle fibres, a weak internal circular layer and a strong external longitudinal layer. Covering the muscle tissue is a sheath of connective tissue that consists of blood vessels, lymphatic ducts, and nerve fibres. This layer of connective tissue joins those tissues of the urinary bladder , rectum, and other pelvic structures. The lining of the vaginal cavity responds to stimulation from the various ovarian hormones by either building new cell layers or shedding the old ones. The thickness of the lining varies directly with the amount of estrogen liberated from the ovaries; the lining is thickest and most elastic during ovulation egg release from the ovaries and during pregnancy....

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The vagina is an elastic, muscular canal with a soft, flexible lining that provides lubrication and sensation. The vagina connects the uterus to the outside world. The vulva and labia form the entrance, and the cervix of the uterus protrudes into the vagina, forming the interior end. The vagina receives the penis during sexual intercourse and also serves as a conduit for menstrual flow from the uterus. During childbirth , the baby passes through the vagina birth canal. The hymen is a thin membrane of tissue that surrounds and narrows the vaginal opening. It may be torn or ruptured by sexual activity or by exercise. Prev Next The vagina is an elastic, muscular canal with a soft, flexible lining that provides lubrication and sensation. Inflammation of the vagina, commonly from a yeast infection or bacterial overgrowth. Itching , discharge, and change of odor are typical symptoms. Vaginitis is treated with antibiotics or antifungal medication. Involuntary spasm of the vaginal muscles during sexual intercourse. Emotional distress about sex , or medical conditions, can be responsible. Depending on the cause, it can be treated with medicine, counseling or some other types of therapy. Genital warts may affect the vulva,vagina, and cervix. Treatments can remove vaginal warts, which are caused by human papillomavirus HPV. Infection of the vagina by a microscopic parasite called trichomonas. Trichomoniasis is transmitted by sex and is easily curable. A disruption in the balance of healthy bacteria in the vagina, often causing odor and discharge. Douching , or sex with a new partner can cause BV. BV is treated with antibiotics. Herpes simplex virus HSV: The herpes virus can infect the vulva, vagina, and cervix, causing small, painful, recurring blisters and ulcers. Having no noticeable symptoms is also common. The virus is transmitted sexually. It can be treated, but...

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Vaginal photoplethysmography VPG , VPP is a technique using light to measure the amount of blood in the walls of the vagina. The device that is used is called a vaginal photometer. The device is used to try to obtain an objective measure of a woman's sexual arousal. The instrument used in the procedure is called vaginal photometer. The device has a clear shell, inside of which is a light source and a photocell , which senses reflected light. The use of the device is done with the assumption that the more light that is scattered back, and that the photocell senses, the more blood is in the walls of the vagina. The output of the VPG can be filtered into two types of signals, which have different properties. The direct current signal is a measure of vaginal blood volume VBV and reflects the total blood volume in the vaginal tissues. VPA is defined as the peak-to-trough amplitude of the vaginal pulse wave. It is calculated by subtracting the means of all troughs from the means of all peaks experienced during stimulus presentation. VPA lacks an absolute scale of measurement; each unit of change mV does not correspond directly with a physiological change. Since VPA does not have a standard unit of measurement, it is difficult for researchers to make between-participant comparisons. VPG was first introduced in the s by Palti and Berovici, who affixed a light source and photosensitive cell onto a gynecological speculum and recorded vaginal pulse waves. From Wikipedia, the free encyclopedia. Archives of Sexual Behavior. In Cacioppo, John T. Retrieved 10 February Retrieved from " https: Female genital procedures Medical testing equipment Sexology Sexual orientation. Wikipedia articles in need of updating from February All Wikipedia articles in need of updating. Views Read Edit View history....

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For full functionality, it is necessary to enable JavaScript. Here are instructions how to enable JavaScript in your web browser. Any data you provide will be primarily stored and processed in the United States, pursuant to the laws of the United States, which may provide lesser privacy protections than European Economic Area countries. Learn more in our Privacy Policy. Log in with your Medical News Today account to create or edit your custom homepage, catch-up on your opinions notifications and set your newsletter preferences. Sign up for a free Medical News Today account to customize your medical and health news experiences. Vaginal pimples are similar in appearance to pimples that occur in other areas of the body. They can have different characteristics. For example, they may be painful or painless, burning, flesh-colored or red, pus-filled, in clusters or alone, itchy, or various sizes. This article covers the common causes of vaginal pimples, their treatment, and methods to prevent future occurrence. It is not always clear what causes vaginal pimples. However, some of the more common causes include:. Contact dermatitis is a type of eczema caused by skin contact with an allergen or an irritant. Many cases of vaginal pimples are contact dermatitis in the genital area. Another very common cause of vaginal pimples is folliculitis, which is an infection and inflammation of the hair follicles. A follicle is a small skin cavity from which hair grows, each hair on the body growing out of its own follicle. Also called hidradenitis suppurativa, acne inversa is a chronic inflammatory skin disease that affects the sweat glands in the groin and under the breasts. Acne inversa is characterized by recurrent spots and sores that contain pus. These do not heal easily and can leave scars. According to the Hidradenitis Suppurativa Foundation , this...

Photo science vaginal

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Image of 'omega spray' vaginal douche, by Science & Society Picture Library View and buy rights managed stock photos at Science & Society. Dec 28, - A few intrepid researchers decided to film sex from the vagina's point of This is just one of the many examples of how science can put a whole. Nov 21, - The vagina is host to a dynamic ecosystem of microorganisms that play a key role in keeping women (Getty Images: Science Photo Library).

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