Vagina

birth canalvaginalvaginal openingvaginasvaginal canalostiumPussyvaginal cavityvaginal mucosaVulvovaginal health
In mammals, the vagina is the elastic, muscular part of the female genital tract.wikipedia
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Sexual intercourse

sexcopulationintercourse
The vagina allows for sexual intercourse and birth.
Foreplay may precede some sexual activities, often leading to sexual arousal of the partners and resulting in the erection of the penis or natural lubrication of the vagina.

Vulva

pudendal cleftexternal female genitaliacunnus
In humans, it extends from the vulva to the cervix.
The vulva includes the mons pubis (or mons veneris), labia majora, labia minora, clitoris, vestibular bulbs, vulval vestibule, urinary meatus, the vaginal opening, and Bartholin's and Skene's vestibular glands.

Menstruation

periodmensesmenstruating
It also channels menstrual flow (menses), which occurs in humans and closely related primates as part of the monthly menstrual cycle.
Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue (known as menses) from the inner lining of the uterus through the vagina.

Hymen

Microperforate hymencarunculae myrtiformeshymenal opening
The outer vaginal opening is normally partly covered by a membrane called the hymen.
The hymen is a thin piece of mucosal tissue that surrounds or partially covers the external vaginal opening.

Uterus

wombuterineuteri
At the deep end, the cervix (neck of the uterus) bulges into the vagina.
In the human, the lower end of the uterus, the cervix, opens into the vagina, while the upper end, the fundus, is connected to the fallopian tubes.

Urethra

male urethraurethralFemale urethra
Female mammals usually have two external openings in the vulva, the urethral opening for the urinary tract and the vaginal opening for the genital tract.
In human females and other primates, the urethra connects to the urinary meatus above the vagina, whereas in marsupials, the female's urethra empties into the urogenital sinus.

Labia

interlabial sulcilabiumbeef curtains
The vaginal opening is much larger than the nearby urethral opening, and both are protected by the labia in humans.
The labia surround and protect the clitoris and the openings of the vagina and the urethra.

Childbirth

laborbirthlabour
The vagina may also be referred to as "the birth canal" in the context of pregnancy and childbirth.
Childbirth, also known as labour and delivery, is the ending of pregnancy where one or more babies leaves a woman's uterus by passing through the vagina or by Caesarean section.

Lesbian

lesbianismlesbiansSapphic
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 (STIs), the risk of which can be reduced by recommended safe sex practices.
The vagina was considered an inward version of the penis; where nature's perfection created a man, often nature was thought to be trying to right itself by prolapsing the vagina to form a penis in some women.

Sexual arousal

sexually arousedarousalaroused
To accommodate smoother penetration of the vagina during sexual intercourse or other sexual activity, vaginal moisture increases during sexual arousal in human females and other female mammals.
Male arousal will lead to an erection, and in female arousal the body's response is engorged sexual tissues such as nipples, vulva, clitoris, vaginal walls and vaginal lubrication.

Labia minora

inner labiaLabium minusinner
The opening to the vagina is normally obscured by the labia minora (vaginal lips), but may be exposed after vaginal delivery.
The labia minora (Latin for smaller lips, singular: labium minus "smaller lip"), also known as the inner labia, inner lips, vaginal lips or nymphae, are two flaps of skin on either side of the human vaginal opening in the vulva, situated between the labia majora (Latin for larger lips; also called outer labia, or outer lips).

Vaginal fornix

posterior fornixvaginal fornicesfornix of the vagina
Where the vaginal lumen surrounds the cervix of the uterus, it is divided into four continuous regions (vaginal fornices); these are the anterior, posterior, right lateral, and left lateral fornices.
fornix of the vagina or fornix vaginae) are the superior portions of the vagina, extending into the recesses created by the vaginal portion of cervix.

Urogenital triangle

The opening of the vagina lies in the urogenital triangle.
In female mammals, it contains the vagina and associated parts of the external genitalia.

Masturbation

masturbatingmasturbatemasturbates
Additionally, the hymen may be lacerated by disease, injury, medical examination, masturbation or physical exercise.
Masturbation involves touching, pressing, rubbing, or massaging a person's genital area, either with the fingers or against an object such as a pillow; inserting fingers or an object into the vagina or anus (see anal masturbation); and stimulating the penis or vulva with an electric vibrator, which may also be inserted into the vagina or anus.

Perineum

perinealperineal bodyanogenital
The urogenital triangle is the front triangle of the perineum and also consists of the urethral opening and associated parts of the external genitalia.
It is a diamond-shaped area that includes the anus and, in females, the vagina.

Birth

parturitionBirthscalving
The vagina allows for sexual intercourse and birth.
In stage two, starting when the cervix is fully dilated, strong contractions of the uterus and active pushing by the mother expels the baby out through the vagina, which during this stage of labour is called a birth canal as this passage contains a baby, and the baby is born with umbilical cord attached.

Human sexual activity

sexual activitysexual behaviorsex
To accommodate smoother penetration of the vagina during sexual intercourse or other sexual activity, vaginal moisture increases during sexual arousal in human females and other female mammals.

Vulval vestibule

vestibuleHart's Linethe vestibule
The vaginal opening is at the posterior end of the vulval vestibule, behind the urethral opening.
The vulval vestibule (or vulvar vestibule or vestibule of vagina) is a part of the vulva between the labia minora into which the urinary meatus (urethral opening) and the vaginal opening open.

Paramesonephric duct

Müllerian ductMüllerian ductsparamesonephric ducts
During development, the vaginal plate begins to grow where the fused ends of the paramesonephric ducts (Müllerian ducts) enter the back wall of the urogenital sinus as the sinus tubercle.
In the female, they will develop to form the fallopian tubes, uterus, cervix, and the upper one-third of the vagina.

Penis

peniledickcock
The texture of the vaginal walls creates friction for the penis during sexual intercourse and stimulates it toward ejaculation, enabling fertilization.
During copulation, the spotted hyena inserts his penis through the female's pseudo-penis instead of directly through the vagina, which is blocked by the false scrotum and testes.

Human female sexuality

female sexualitysexualitywomen's sexuality
The vagina and vulva have evoked strong reactions in societies throughout history, including negative perceptions and language, cultural taboos, and their use as symbols for female sexuality, spirituality, or regeneration of life.
Orgasm in women has typically been divided into two categories: clitoral and vaginal (or G-spot) orgasms.

Monotreme

monotremesMonotremataegg-laying mammals
In amphibians, birds, reptiles and monotremes, the cloaca is the single external opening for the gastrointestinal tract, the urinary, and reproductive tracts.
Monotremes, like reptiles, have a single cloaca; marsupials also have a separate genital tract; whereas most placental mammal females have separate openings for reproduction (the vagina), urination (the urethra), and defecation (the anus).

Mucous membrane

mucosamucous membranesmucosal
The vaginal wall from the lumen outwards consists firstly of a mucosa of stratified squamous epithelium that is not keratinized, with a lamina propria (a thin layer of connective tissue) underneath it.
It is mostly of endodermal origin and is continuous with the skin at various body openings such as the eyes, ears, inside the nose, inside the mouth, lip, vagina, the urethral opening and the anus.

Safe sex

safer sexunprotected sexunsafe sex
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 (STIs), the risk of which can be reduced by recommended safe sex practices.

Menstrual cup

menstrual cupsmenstrual-cup
Different hygiene products such as tampons, menstrual cups, and sanitary napkins are available to absorb or capture menstrual blood.
A menstrual cup is a feminine hygiene device that is inserted into the vagina during menstruation.