Diagram medical vagina

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Vagina Overview

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In contrast, the labia minora are lined with a mucous membrane, whose surface is kept moist by fluid secreted Doagram specialized cells. The opening to the vagina is called the introitus. The vaginal opening is the entryway for the penis during sexual intercourse and the exit for blood during vagkna and for the baby during birth. When stimulated, Bartholin glands located beside the vaginal opening secrete a thick fluid that supplies lubrication for intercourse. The opening to vwgina urethra, which carries urine from the bladder to the outside, is located above and in front of the vaginal opening.

The clitoris, located between the labia minora at their upper end, is a small protrusion that corresponds to the penis in the male. Most people who are diagnosed with vaginal cancer are older than Atypical cells in the vagina called vaginal intraepithelial neoplasia. Being diagnosed with vaginal intraepithelial neoplasia VAIN increases your risk of vaginal cancer. With VAIN, cells in the vagina appear different from normal cells, but not different enough to be considered cancer. A small number of those with VAIN will eventually develop vaginal cancer, though doctors aren't sure what causes some cases to develop into cancer and others to remain benign.

VAIN is frequently caused by the sexually transmitted human papillomavirus HPVwhich can cause cervical, vaginal and vulvar cancers, among others. Vaccines that prevent some types of HPV infection are available. Exposure to miscarriage prevention drug. The epithelium of the ectocervix the portion the uterine cervix extending into the vagina is an extension of, and shares a border with, the vaginal epithelium. In these mid-layers of the epithelia, the cells begin to lose their mitochondria and other organelles.

Between then to pubertythe epithelium remains thin with only a few layers of vaginw cells without glycogen. The epidermis of the skin is Digaram resistant to water because it contains high levels merical lipids. The vagia epithelium contains lower levels of lipids. This allows the passage Diagram medical vagina water and water-soluble substances through the tissue. These form vatina network of smaller veins, the vaginal venous plexuson the sides of the vagina, connecting with similar venous plexuses of the uterusbladderand rectum. These ultimately iDagram into the internal iliac veins. The lower vagina is supplied by the meddical nerve.

Vaginal discharge and Vaginal lubrication Vaginal secretions are primarily from the uteruscervix, and vaginal epithelium in addition to minuscule vaginal lubrication from the Bartholin's glands upon sexual arousal. This initially forms as sweat-like droplets, and is caused by increased fluid pressure in the tissue of the vagina vasocongestionresulting in the release of plasma as transudate from the capillaries through the vaginal epithelium. Human sexual activity and Human female sexuality Nerve endings in the vagina can provide pleasurable sensations when the vagina is stimulated during sexual activity.

Women may derive pleasure from one part of the vagina, or from a feeling of closeness and fullness during vaginal penetration. In addition to penile penetration, pleasure can come from masturbationfingeringoral sex cunnilingusor specific sex positions such as the missionary position or the spoons sex position. It is a sex organ of multiplanar structure containing an abundance of nerve endings, with a broad attachment to the pubic arch and extensive supporting tissue to the labia. Research indicates that it forms a tissue cluster with the vagina. This tissue is perhaps more extensive in some women than in others, which may contribute to orgasms experienced vaginally.

This begins after ten to thirty seconds of sexual arousal, and increases in amount the longer the woman is aroused. The vagina lengthens during the arousal, and can continue to lengthen in response to pressure; as the woman becomes fully aroused, the vagina expands in length and width, while the cervix retracts.

If you best, quit. The thrift that bundles the uterus usually keeps as well, focusing it to weaken during designing.

It is typically defined as being located at the anterior wall of the vagina, a couple or few inches in from the entrance, and some women experience intense pleasure, and sometimes an orgasm, if this area is stimulated during sexual activity. Childbirth The vagina is the birth canal for the delivery of a baby. The vagina is strongly influenced by hormonal changes throughout the body. During the reproductive years after menarche the first menstrual period and before menopause, more layers of tissue are present lining the vagina, due to stimulation from higher estrogen levels in the body 1. The vagina is also influenced by changing hormone levels during pregnancy.

Increased blood flow is directed to the pelvis, causing a deeper color change to the vulva and vagina 5.

Throughout a pregnancy, the connective tissue of the vaginal walls Diagrak relaxes, in preparation for the delivery of a baby 5. After delivery, the vagina and vaginal opening temporarily widen, but weeks post-delivery, the vagina returns to its pre-pregnancy size 5. As people age, the walls of the vagina of the vagina become more relaxed, and the diameter of the vagina becomes wider 1. When it comes to sexual satisfaction, vaginal size does not affect sexual function 6. The perception of vaginal tightness during sex is primarily related to the pelvic floor muscles, which are present around the base of the vagina and not actually how wide the vaginal canal is.

Vagina Diagram medical

After menopause, when estrogen is lower, the walls of the vagina become thinner and frailer, medidal can cause symptoms of vaginal dryness and decreased vaginal secretions 5. This may result in discomfort during sex and increase the chances of vaginal irritation or infection 5. How the vaginal changes during the menstrual cycle The vagina also changes throughout the month in response to hormonal fluctuations of the cycle. Around mid-cycle, when estrogen is highest, vaginal tissue become thicker and fuller 5.

The cervix, at the top of the vagina, also moves and changes shape throughout the cycle.

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