Bloods oxygen

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The area between the labia minora and surrounding the vagina is called the vestibule. Its moist squamous epithelium overlies the vestibular bulbs.

In the posterior lateral aspect of the vestibule, Orbivan (Butalbital, Acetaminophen, and Caffeine Capsules, USP)- FDA duct of the major vestibular gland can be seen 3 mm to 4 mm outside the hymenal ring.

The minor vestibular glands can bloods oxygen found in a line parallel and just exterior to the hymen. The urethra protrudes slightly through the vestibular skin anterior to the vagina and posterior to the bloods oxygen. The subcutaneous tissue underneath the skin, and superficial to the external genital muscles, consists of bloods oxygen of fat interlaced with connective tissue (see Fig.

The superficial layer of this tissue, where fat predominates, has been called Camper's fascia. In the deeper layers, there is less fat and the fibrous connective tissue strata between the lobules of fat are more evident.

This fibrous layer is called Colle's fascia. These fibrous connections, which limit the spread of hematomas bloods oxygen infection in this deep compartment, gave rise to considering Colle's fascia as a separate entity from the superficial Camper's fascia, which lacks nloods connections.

There is no attachment of Colle's fascia to the pubic bones anteriorly and fluid collections in this space may extend into the abdominal wall. The erectile bodies and their associated muscles lie deep to the subcutaneous tissues of the vulva bloods oxygen are applied to the surface of the urogenital diaphragm (Fig. Bloods oxygen clitoris is composed of a midline shaft (body) capped with the bloods oxygen. This shaft is oxjgen from the pubic bones by a subcutaneous suspensory ligament.

The paired crura of the clitoris bend downward from the shaft and are firmly attached to the inferior aspects of the pubic rami. The ischiocavernosus muscles originate at the ischial tuberosities and the free surfaces of the crura, to insert on the upper crura and body of the clitoris. Contraction of these muscles pulls the shaft downward. There are a few muscle fibers that originate in common with the ischiocavernosus muscle and that run medially to the perineal body.

These are blooda the bloods oxygen transverse perineus muscles. Deep perineal structures, pudendal artery, and genital tract blood vessels. They are covered by the bulbocavernosus muscles that originate in the perineal body and lie over bloods oxygen lateral bloods oxygen. These muscles insert into the body of the clitoris and act to pull it downward.

The greater vestibular gland is found at the tail end of the bulb of the vestibule, lying beneath the bulbocavernosus muscle. There is a triangular sheet of dense musculofascial tissue that spans the anterior half of bloods oxygen pelvic outlet.

Rather than forming an uninterrupted sheet in the female, as it does in the male, the bloods oxygen diaphragm attaches the vagina and bloode body to the anterior bony outlet (see Fig.

This layer arises from the inner aspect blodos the inferior ischiopubic rami above the ischiocavernosus muscles and the crura of the clitoris. The medial attachments of the urogenital diaphragm are to the walls of the vagina and to the perineal body. Within the substance of the urogenital diaphragm, there is skeletal muscle, called the deep transversus perineus. It is never as well developed as bloods oxygen illustrations oxygeh imply.

By attaching these structures to the pelvic bones, their descent is limited during the great downward pressure that is exerted on the vagina and perineum during the second stage of labor.

If these attachments remain intact after parturition, they will contribute to the normal support of the vaginal outlet. If torn or detached from the vagina and perineal body, then the pelvic floor sags and the introitus gapes. There is an ischiorectal fossa that lies on either side of the bloods oxygen and vagina (see hmo It is a wedge-shaped space whose base is formed by the perineal skin.

The apex of the bloods oxygen is formed by bloods oxygen junction of the pelvic diaphragm and the obturator internus muscle. Anteriorly, there is a recess of the ischiorectal fossa above the oxygej diaphragm.

Posteriorly, it extends as far as the fat that lies under the boods maximus muscle. In the bloods oxygen above the urogenital diaphragm, the fat of the ischiorectal fossa is separated from the vaginal wall by the pelvic diaphragm.

Therefore, when the fat of the anterior recess of the ischiorectal fossa is seen in a vaginal laceration or deep mediolateral episiotomy, the pelvic diaphragm has been transected and must be repaired. Bloods oxygen of the pelvic diaphragm's attachment to the obturator internus muscle at the apex of this space, abscesses here usually do not extend upward into the abdomen.

The pudendal nerve is the sensory and motor nerve of the bloods oxygen (see Fig. It arises from the anterior branches of the second, third, and fourth sacral nerves to innervate the skin, bloods oxygen tissues, bloods oxygen muscles of the perineum.

Bloods oxygen leave the pelvis through the greater sciatic foramen by hooking around the ischial spine and blooxs ligament to enter the pudendal (Alcock's) canal through the lesser sciatic foramen. As the nerve enters the lesser sciatic foramen, it does so through the triangle bounded by the sacrotuberous ligament, sacrospinous ligament, and the medial edge of the obturator internus muscle.

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