Logan Steele
The vulva is the collective term for the external female genitalia, which includes the mons pubis, labia majora, labia minora, clitoris, urethra, vestibule, vestibular bulbs, and glands, as well as the vaginal opening. While the vulva itself is not a muscle, it is supported by several muscles, including the pelvic floor muscles, the muscles of the urogenital triangle, and the superficial and deep muscles of the perineum and pelvis. These muscles, along with ligaments, tendons, membranes, and fascia, form the vaginal support structures, which maintain the position of the vagina within the pelvic cavity and enable its normal functioning. The clitoris, a part of the vulva, also contains smooth muscles and connective tissue.
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What You'll Learn
The mons pubis is a mound of tissue made up of fat
The vulva is a collective term for several anatomical structures, including the mons pubis, labia majora, labia minora, clitoris, vestibule, urinary meatus, vaginal introitus, hymen, and openings of the vestibular glands. The mons pubis is a mound of tissue made up of fat, located directly anterior to the pubic bone. It is part of the external genitalia in individuals assigned female at birth. The mons pubis is usually covered in pubic hair and contains sebaceous glands that secrete pheromones to induce sexual attraction. It also functions as a source of cushioning for the pubic bone during sexual intercourse.
The mons pubis is a rounded mass of fatty tissue that lies over the pubic bone and the pubic symphysis joint. It is present in both individuals assigned male at birth and individuals assigned female at birth, but it tends to be more prominent in those assigned female. During puberty, a surge in estrogen production causes the fatty tissue in this area to grow larger, and increased androgen activity can lead to the skin becoming covered with coarse pubic hair. The skin of the mons pubis has many touch receptors and only a few pressure receptors. The distribution and amount of pubic hair can vary among individuals. Typically, the pubic hair forms an inverted pyramid shape, and in about 25% of women, this hair extends in a line up to the navel.
The labia majora are two prominent pairs of cutaneous skin folds that extend from the mons pubis posteriorly to the posterior commissure. They form the lateral longitudinal borders of the vulval clefts and cover the labia minora, clitoris, vestibule, vestibular bulbs, vestibular glands, urethra, and vaginal opening. The labia majora contain adipose tissue and connective tissue with a rich venous plexus. They are homologous to the male scrotum, as they are derived embryologically from the same tissue.
The labia minora, or "minor lips," are a pair of small cutaneous folds that lie within the labia majora. They are hairless and extend from the clitoris downward, encircling the clitoris to form the clitoral hood and the frenulum of the clitoris. The labia minora then descend obliquely and downward, forming the borders of the vestibule. Finally, the posterior ends of the labia minora terminate as they become linked together by a skin fold called the frenulum of the labia minora.
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The labia majora are two prominent skin folds
The vulva is a term for several anatomical structures, including the mons pubis, labia majora, labia minora, clitoris, urethra, vestibule, vestibular bulbs, Bartholin's glands, Skene's glands, and vaginal opening. The labia majora are two prominent skin folds that form the lateral longitudinal borders of the vulval cleft. They extend from the mons pubis, which is a tissue mound made up of fat located directly anterior to the pubic bones, downward and backward to merge with the skin of the perineum. The labia majora forms the folds that cover the labia minora, clitoris, vestibule, vestibular bulbs, Bartholin's glands, Skene's glands, urethra, and vaginal opening.
The labia majora are two thick folds of skin that are covered with pigmented skin, sebaceous (oil-secreting) glands, and coarse hair after puberty. They are the "
The clitoris is a sex organ in females that functions as a sensory organ. It is made up of erectile corpora cavernosa tissue, which becomes engorged with blood during sexual stimulation. The glans clitoris is the only visible part of the clitoris and is highly innervated by nerves and perfused by many blood vessels. The Bartholin's glands, also known as the greater vestibular glands, secrete lubricating mucus from small ducts during sexual arousal. They are located on either side of the vaginal orifice and can become infected and inflamed, a condition known as Bartholin's cyst.
The vestibule is the area enclosed by the labia minora. It is the cavity between the labia minora and is occupied by the opening of the vagina, the vaginal introitus. In women who have not previously had intercourse, the introitus may be covered partially by a membrane of connective tissue called the hymen, which may rupture during the first episode of vigorous sex or other activities. The vestibular bulbs are structures formed from corpus spongiosum tissue, which is a type of erectile tissue closely related to the clitoris.
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The labia minora are two hairless skin folds
The vulva is a collective term for several anatomical structures, including the mons pubis, labia majora, labia minora, clitoris, vestibule, urinary meatus, vaginal introitus, hymen, and openings of the vestibular glands. The labia majora are two hair-bearing external skin folds that extend from the mons pubis to the posterior commissure.
The labia minora, on the other hand, are two hairless skin folds that lie within the labia majora. They are also referred to as the "minor lips" or "inner labia/lips". The labia minora are a pair of small cutaneous folds that descend obliquely and downward, forming the borders of the vulva vestibule. They originate at the clitoris and extend downward, eventually merging posteriorly to create a skin fold known as the fourchette. The labia minora encircle the clitoris, forming the clitoral hood and the frenulum of the clitoris.
The labia minora are highly innervated and contain numerous sebaceous glands, which produce sebum to lubricate and protect the underlying tissues. They are devoid of fat and sweat glands but are rich in nerve endings and sensory receptors. The hairless skin of the labia minora can vary in colour from light pink to brownish-black in different individuals. The size and shape of the labia minora are unique to each person and can change over time.
The labia minora serve a protective function, safeguarding the vaginal and urethral openings from mechanical irritation, dryness, and infections. They also contribute to lubrication and sexual stimulation during intercourse, enhancing pleasure for both partners.
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The clitoris is a sensory organ with around 8000 nerve endings
The vulva is a collective term for several anatomical structures, including the clitoris. The clitoris is a female sex organ and is the only human organ that serves the sole purpose of providing pleasure. The clitoris is a complex structure, and its size and sensitivity can vary. The clitoris is made up of erectile tissue that fills with blood and expands when stimulated. This erectile tissue is similar to the tissue in the penis.
The clitoris is a sensory organ with around 8,000 nerve endings, and possibly 10,000 or more. The clitoris has more nerve endings than any other part of the vulva. The clitoris can be divided into the glans clitoris and the body of the clitoris. The glans clitoris is the only visible part of the clitoris and is highly innervated by nerves and perfused by many blood vessels. The glans is filled with nerve endings that make it incredibly sensitive to touch. The clitoris has other smaller nerves beyond the dorsal nerve, which is the main nerve responsible for clitoral sensation. The clitoris also has portions of the pudendal nerve and cavernous nerves. The clitoris is the vulva's most erogenous area and generally the primary anatomical source of female sexual pleasure.
The clitoris is located under the clitoral hood. The clitoral hood is formed by the labia minora, which are two hairless folds of skin that lie within the labia majora. The labia minora meet at the top of the vulva to form the hood for the glans clitoris. The clitoris is shaped like an upside-down wishbone, with a clitoral body branching out to form a V shape. The body of the clitoris is located behind the glans clitoris and extends downward, branching off to form a pair of legs, the crura. The crura are the longest part of the clitoris and surround the vaginal canal and urethra.
The clitoris can be stimulated manually or orally, which is often referred to as direct clitoral stimulation. Stimulating the clitoris can make one feel sexually aroused and heighten feelings of sexual tension until climax (orgasm). The sensations from a stimulated clitoris usually feel good. The clitoris is the main centre of sexual response.
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The pelvic floor muscles support the vulva
The vulva is a term that collectively describes the female external genitalia. It includes the mons pubis, labia majora, labia minora, clitoris, vestibule, urinary meatus, vaginal introitus, hymen, and openings of the vestibular glands (Bartholin's and Skene's). The pelvic floor muscles support the structures of the vulva.
The pelvic floor muscles are a group of muscles that form the base of the core muscles. They stretch from the pubic bone in the front of the body to the tailbone (coccyx) at the back and from one sitting bone (ischial tuberosity) to the other on the pelvis's right and left sides. These muscles support the pelvic organs, including the bladder, bowel, and uterus, and they help control the release of urine, faeces, and flatus. They also play a role in sexual function in both men and women. For example, in men, pelvic floor muscles are important for erectile function and ejaculation.
In women, pelvic floor muscles also provide support for the baby during pregnancy and need to be relaxed during the birthing process. Weakening of the pelvic floor muscles can occur due to injury, aging, obesity, or chronic straining and can lead to conditions like incontinence or pelvic organ prolapse. Pelvic floor dysfunction can be treated through physical therapy, surgery, or the use of medical devices like a vaginal pessary.
To maintain strong pelvic floor muscles, exercises such as Kegel balls or vaginal weights can be used. These devices are inserted into the vagina and held in place during daily activities to strengthen the muscles over time. Additionally, a trained physical therapist can help with strengthening and coordinating the pelvic floor muscles and other key muscle groups in the core.
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Frequently asked questions
The vulva is a collective term for several anatomical structures that make up the female external genitalia. It includes the mons pubis, labia majora, labia minora, clitoris, vestibule, urinary meatus, vaginal introitus, hymen, and openings of the vestibular glands (Bartholin's and Skene's).
No, the vulva is not a muscle. It is made up of various anatomical structures, including skin folds, erectile tissue, glands, and nerves. However, the vulva is supported by several muscles, including the pelvic floor muscles, the muscles of the urogenital triangle, and the muscles of the perineum and pelvis.
The pelvic floor muscles, including the levator ani and coccygeus muscles, provide support for the vulva and maintain the position of the vagina within the pelvic cavity. The levator ani muscle includes the pubococcygeus, which constricts the vaginal opening. Other supporting muscles include the transverse perineal muscles, bulbospongiosus, and ischiocavernosus.
The muscles that support the vulva, along with ligaments, tendons, membranes, and fascia, provide stability and maintain the normal functioning of the vagina and other reproductive structures. They also contribute to sexual pleasure and reproductive functions.
