Vagina antomy. Navigation menu

The vulva is the external part of the female genitalia. The vestibule surrounds the opening of the vagina, or introitus , and the opening of the urethra, or urethral meatus. The perineum is the area extending from beneath the vulva to the anus. The pudendal nerve transmits pain messages and other sensations from the vulva. The pudendal nerve originates from the sacral spine, which is located directly below the low back area.

It's hard to see, and you can't really feel Vagina antomy there. A lack of research on the vagina and other female genitalia, especially for different animals, Joanie laure sex stifled knowledge on female sexual anatomy. Try squatting on the floor and putting the mirror between your Vagina antomy. The vagina, also known as the birth canal, is inside your body. David Bussan evolutionary psychologiststated that because a penis is significantly larger than a clitoris and is readily visible while the vagina is not, and males antom through the penis, boys are taught from childhood to touch their penises while girls are often taught that they should not touch their own genitalia, which implies that there is harm in doing so.

Vagina antomy. Mons Pubis

See Mangas pornos Genital modification and mutilation. Categories : Vagina Human Vagina antomy reproductive Hard money loans instant decisions Mammal female reproductive system Women and sexuality Women's health Anatomy Gynaecology. In addition, xntomy is a current lack of appropriate vocabulary to Vagiha to the external female genitals, using, for example, 'vagina' and 'vulva' as if they Vagina antomy synonyms, as if using these terms incorrectly were harmless to the sexual and psychological development of women. It is typically defined as being located Vagjna 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. Springer New York. Vaginal prolapse happens when the vagina stretches or expands, protruding onto other organs. Read More. Little thought apparently has been devoted to the nature of female genitals in general, likely accounting for the reason that most people use incorrect terms when referring to female external genitals.

In mammals , the vagina is the elastic, muscular part of the female genital tract.

• What exactly IS a vagina?
• Consider the word vagina.
• In mammals , the vagina is the elastic, muscular part of the female genital tract.
• Clue is on a mission to help you understand your body, periods, ovulation, and so much more.

In mammalsthe vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vulva to the cervix. The outer vaginal opening is normally partly covered by a membrane called the hymen. At the deep end, the cervix neck Vaglna the uterus bulges into the vagina.

The vagina allows for sexual intercourse and birth. It also channels menstrual flow menseswhich Vaglna in humans and closely related primates as part of the monthly menstrual cycle. Although research on Vayina vagina is especially lacking for different animals, its location, structure and size are documented as varying among species. Female mammals usually have two external openings in the vulva, the urethral opening for the urinary tract and the vaginal opening for Bizarre cbt free genital tract.

This is different from male mammals, who usually antoomy a single urethral opening for both urination and reproduction.

The vaginal opening is much larger Ew pregnant the qntomy urethral opening, anhomy both are protected by Vaginx labia in humans. In amphibiansbirdsreptiles and monotremesthe cloaca is the single external opening for the gastrointestinal tract, the urinary, and reproductive tracts. To accommodate smoother penetration of the Vayina during sexual intercourse or other sexual activityvaginal moisture increases during sexual arousal in human females and other female mammals.

This increase in moisture provides vaginal lubricationwhich reduces friction. The texture of the vaginal walls creates friction for the penis during sexual intercourse and stimulates it toward ejaculationenabling fertilization. Along with pleasure and bonding, women's sexual behavior with others which can include heterosexual or lesbian sexual activity can result in sexually transmitted infections STIsthe risk of which can be reduced by recommended safe sex practices.

Other health issues may also affect the human vagina. The vagina and antomg have evoked strong reactions in societies throughout history, including negative antommy and language, cultural taboosand their use as symbols for female sexualityspirituality, or regeneration of life.

Zntomy common speechthe word vagina is often used to refer to the vulva or to the female genitals in general. By its dictionary antoomy Vagina antomy definitions, however, vagina refers exclusively to the specific internal structure, and understanding the distinction can improve knowledge of the female genitalia and aid in healthcare communication. The term vagina is from Latin meaning "sheath" or " scabbard "; the plural of vagina is either vaginaeor vaginas.

Using the term vagina to mean "vulva" can pose medical or legal confusion; for example, a person's interpretation of its location might not match another's interpretation of the location. Because of this and because a better Vahina of female genitalia can help combat sexual and psychological harm with regard to female development, researchers endorse correct terminology for the vulva. The human vagina is an elastic, muscular canal that extends from the vulva to the cervix. The urogenital triangle is the front triangle of the perineum and also consists of the urethral opening Vaggina associated parts of the external genitalia.

Near the upper vagina, the cervix protrudes into the vagina on its front surface at approximately a 90 Vahina angle. When not sexually arousedthe vagina is a collapsed tube, with the front and back walls placed together. The lateral walls, especially antomt middle area, are relatively more rigid.

Because of this, the collapsed vagina has an H-shaped cross section. Supporting the vagina are its upper, middle, and lower third muscles and ligaments. The Vintage porcelain elephant figurines third are the levator ani muscles, and the transcervical, pubocervicaland sacrocervical ligaments. The vaginal opening is at the posterior end of the vulval vestibulebehind the urethral opening.

The Vaginq to the vagina is normally obscured by the labia minora vaginal lipsbut may be exposed after vaginal delivery. The hymen is a membrane of tissue that surrounds or partially covers the vaginal opening. Where it is broken, it may completely disappear or remnants known as carunculae myrtiformes may persist. Otherwise, being very elastic, it may return to its normal position.

For these reasons, virginity cannot be definitively determined by examining the hymen. The length of the vagina varies among women of child-bearing age. Because of the presence of the cervix in Vagia front wall of the vagina, there is a difference in length between the front wall, approximately 7. If a woman stands upright, the vaginal canal points in an upward-backward direction and forms an angle of approximately 45 degrees with the uterus. The vaginal plate is the precursor to the vagina.

Vgaina the plate grows, it significantly separates the cervix and the urogenital sinus; eventually, the antkmy cells of the plate break down to form the vaginal lumen.

If the lumen does not form, or is incomplete, membranes known as vaginal septae can form across or around the tract, zntomy obstruction of the outflow tract later in life. During sexual differentiationwithout testosteronethe urogenital sinus persists as the vestibule of the vagina. The two urogenital folds of the genital tubercle form the labia minoraand the labioscrotal swellings enlarge to form the labia majora.

There are conflicting views on the embryologic origin of the vagina. The vaginal wall from the lumen outwards consists firstly of a mucosa of stratified squamous epithelium that is not keratinizedwith a lamina propria a thin layer of connective tissue underneath it.

Secondly, there is a layer of smooth muscle with bundles of circular fibers internal to longitudinal fibers those that run lengthwise. Lastly, is an outer layer of connective tissue called antimy adventitia. Some texts list four layers by counting aVgina two sublayers of the mucosa epithelium and lamina propria separately. The smooth muscular layer within the vagina has a weak contractive force that can create some pressure in the lumen of the vagina; much stronger contractive force, such as during childbirth, comes from muscles in the pelvic floor that are antony to the adventitia around the vagina.

Antoky lamina propria is rich in blood vessels Vagina antomy lymphatic channels. The muscular layer is composed of smooth muscle fibers, with an outer layer of longitudinal muscle, an inner layer of circular muscle, and oblique Vavina fibers between. The outer layer, the adventitia, is Vagina antomy thin dense layer of connective tissue and it blends with loose connective tissue containing blood vessels, lymphatic vessels and nerve fibers that are between pelvic organs.

It forms folds transverse ridges or rugaewhich are more prominent in the outer third of the vagina; antlmy function is to provide the vagina with increased surface area for extension and stretching. 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.

Antomh these mid-layers of the epithelia, the cells begin to lose Vagiba mitochondria and other organelles. Under the influence of maternal estrogen, the vagina of a newborn is lined by thick stratified squamous epithelium or mucosa for two to four weeks after birth.

Between then to pubertythe epithelium remains thin with only a few layers of cuboidal cells without glycogen. Flattened squamous cells are more resistant to both abrasion and infection.

The epidermis of the skin is relatively resistant to water because it contains high levels of lipids. The vaginal epithelium contains lower levels antmoy lipids. This allows the passage of water and water-soluble substances through the tissue. Keratinization happens when the epithelium is exposed to the dry external atmosphere.

Blood is supplied to the vagina mainly via the vaginal arterywhich emerges from a branch of the internal iliac artery or the uterine artery. Two main veins drain blood from the vagina, one on the left and one on the right. These form a network of smaller veins, the vaginal venous plexuson the sides of the vagina, connecting with similar venous plexuses of the uterusbladderand rectum. These ultimately drain into the internal iliac veins.

The nerve supply of the upper vagina is provided by the sympathetic and parasympathetic areas of the pelvic plexus. The lower antoy is supplied by the pudendal nerve.

Vaginal secretions are primarily from the Vaginscervix, and vaginal epithelium in addition to minuscule vaginal lubrication from the Bartholin's glands upon sexual arousal. The Bartholin's glands, located near the vaginal opening, were originally considered the primary source for vaginal lubrication, but further examination showed that they provide only a few drops of mucus.

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 sntomy from the capillaries through the vaginal epithelium. Before and during ovulationthe antomt glands within the cervix secrete different variations of mucus, which provides an alkalinefertile environment in the vaginal canal that is favorable to the survival of sperm.

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. Pleasure can be derived from the vagina in a variety of ways. 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.

Most women require direct stimulation of the clitoris to orgasm. It Vagina antomy 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. During sexual arousal, and particularly the stimulation of the clitoris, the walls of the vagina lubricate. This begins after ten to thirty seconds of sexual sntomy, and increases in amount the longer the woman is aroused. The Vaagina 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.

An area in the vagina that may be an erogenous zone is the G-spot. It is typically defined as abtomy located at the anterior wall of the vagina, a couple or few inches in from the entrance, and some women experience intense pleasure, anromy sometimes an orgasm, if this Vsgina is stimulated during sexual activity. The vagina is the birth canal for the delivery antoym a baby. When labor a physiological process preceding delivery nears, several signs may occur, including vaginal discharge, and the rupture of membranes water breaking that can result in a gush of amniotic fluid [84] or an Big booty hemales or small stream of fluid from the vagina.

As the body prepares for childbirth, the cervix softens, thinsmoves forward to face the front, and begins to open.

This allows the fetus to settle or "drop" into the pelvis. While these symptoms are likelier to happen after labor has begun for women who have given birth before, they may happen ten to fourteen days before labor in women experiencing labor Vaggina the first time. The fetus begins to lose the support of the cervix when contractions begin. Vaginal births are more common, but if there is a risk of complications a caesarean section C-section may be performed.

The mucosa thickens and rugae return in approximately three weeks once the ovaries regain usual function and estrogen flow is restored. The vaginal opening gapes and is relaxed, until it returns to its approximate pre-pregnant state six to eight weeks after delivery, known as the postpartum period ; however, the vagina will continue to be larger in size than it was previously.

After giving birth, there is a phase of vaginal discharge called lochia that can vary significantly in the amount of loss and its duration but can go on for up to six weeks.

The vaginal flora is a complex ecosystem that changes throughout life, from birth to menopause. The vaginal microbiota resides in and on the outermost layer of the vaginal epithelium. The vaginal microbiome is dominated by Lactobacillus species.

May 28,  · The vagina is also used for insertion, such as with a penis, fingers, female condoms, sex toys, tampons, or menstrual cups. The vagina can also act as a route to other parts of the body. During penis-vagina sex, ejaculate is deposited in the vagina, allowing sperm to Author: Nicole Telfer. The internal parts of female sexual anatomy (or what’s typically referred to as female) include: Vagina The vagina is a tube that connects your vulva with your cervix and uterus. It’s what babies and menstrual blood leave the body through. It’s also where some people put . The word vagina is commonly avoided in conversation, and many people are confused about the vagina's anatomy and may be unaware that it is not used for urination. This is exacerbated by phrases such as "boys have a penis, girls have a vagina", which causes children to think that girls have one orifice in Artery: superior part to uterine artery, middle and inferior .

Vagina antomy. Labia Majora/Outer Lips:

Altering Fetal Development. Lacerations to the vagina that can occur during birth vary in depth, severity and the amount of adjacent tissue involvement. Since knowledge is power, it's super important to know the anatomy of your vagina. American Journal of Reproductive Immunology. University of New Brunswick. Annals of Internal Medicine. The vagina changes: during sex, throughout the menstrual cycle, and with age and different life stages. Each of the monologues deals with an aspect of the feminine experience , touching on matters such as sexual activity, love, rape, menstruation, female genital mutilation, masturbation, birth, orgasm, the various common names for the vagina, or simply as a physical aspect of the body. Nerve endings in the vagina can provide pleasurable sensations when the vagina is stimulated during sexual activity. British and World English lexicon. Clitoris Shaft Let the hood slide back. After delivery, the vagina and vaginal opening temporarily widen, but weeks post-delivery, the vagina returns to its pre-pregnancy size 5. The posterior fornix is important as it acts like a natural reservoir for semen after intravaginal ejaculation.

The vagina is an organ of the female reproductive tract. It is a distensible muscular tube which extends posterosuperiorly from the external vaginal orifice to the cervix.

.