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Obturator Sheath

Obturator Canal $70.1 High Quality Content by WIKIPEDIA articles The obturator canal is a passageway formed in the obturator foramen by part of the obturator membrane. It connects the pelvis to the thigh. The obturator artery, obturator vein, and obturator nerve all travel through the canal. The obturator foramen is the hole created by the ischium and pubis bones of the pelvis through which nerves and muscles pass. It is bounded by a thin, uneven margin, to which a strong membrane is attached, and presents, superiorly, a deep groove, the obturator groove, which runs from the pelvis obliquely medialward and downward. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 82 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.20 inches

Obturator Veins $58.94 High Quality Content by WIKIPEDIA articles The obturator vein begins in the upper portion of the adductor region of the thigh and enters the pelvis through the upper part of the obturator foramen, in the obturator canal. It runs backward and upward on the lateral wall of the pelvis below the obturator artery, and then passes between the ureter and the hypogastric artery, to end in the hypogastric vein. It has an anterior and posterior branch (similar to obturator artery). Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 70 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.17 inches

Obturator Artery $70.1 High Quality Content by WIKIPEDIA articles The obturator artery passes anteroinferiorly (forwards and downwards) on the lateral wall of the pelvis, to the upper part of the obturator foramen, and, escaping from the pelvic cavity through the obturator canal, it divides into both an anterior and a posterior branch. In the pelvic cavity this vessel is in relation, laterally, with the obturator fascia; medially, with the ureter, ductus deferens, and peritoneum; while a little below it is the obturator nerve. Inside the pelvis the obturator artery gives off iliac branches to the iliac fossa, which supply the bone and the Iliacus, and anastomose with the iliolumbar artery; a vesical branch, which runs backward to supply the bladder; and a pubic branch, which is given off from the vessel just before it leaves the pelvic cavity. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 78 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.19 inches

Obturator Membrane $58.94 High Quality Content by WIKIPEDIA articles The obturator membrane is a thin fibrous sheet, which almost completely closes the obturator foramen. Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the obturator vessels and nerve. The membrane is attached to the sharp margin of the obturator foramen except at its lower lateral angle, where it is fixed to the pelvic surface of the inferior ramus of the ischium, i. e., within the margin. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 74 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.18 inches

Obturator Foramen $58.94 High Quality Content by WIKIPEDIA articles The obturator foramen is the hole created by the ischium and pubis bones of the pelvis through which nerves and muscles pass. It is bounded by a thin, uneven margin, to which a strong membrane is attached, and presents, superiorly, a deep groove, the obturator groove, which runs from the pelvis obliquely medialward and downward. This groove is converted into the obturator canal by a ligamentous band, a specialized part of the obturator membrane, attached to two tubercles: Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 74 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.18 inches

Palatal Obturator $58.94 High Quality Content by WIKIPEDIA articles A palatal obturator is a prosthesis that totally occludes an opening such as an oronasal fistula (in the roof of the mouth). They are similar to dental retainers, but without the front wire. Palatal obturators are typically shortterm prosthetics used to close defects of the hard/soft palate that may affect speech production or cause nasal regurgitation during feeding. Following surgery, there may remain a residual oronasal opening on the palate, alveolar ridge, or labial vestibule. A palatal obturator may be used to compensate for hypernasality and to aid in speech therapy targeting correction of compensatory articulation caused by the cleft palate. In simpler terms, a palatal obturator covers any fistulas (or holes ) in the roof of the mouth that lead to the nasal cavity, providing the wearer with a plastic/acrylic, removable roof of the mouth, which aids in speech, eating, and proper air flow. Author: Surhone, Lambert M./ Tennoe, Mariam T./ Henssonow, Susan F. Binding Type: Paperback Number of Pages: 68 Publication Date: 2010/08/13 Language: English Dimensions: 6.00 x 9.02 x 0.16 inches

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Obturator Process $70.1 High Quality Content by WIKIPEDIA articles The obturator process is an anatomical feature on the pelvis of archosaurs. It is a raised area of the ischium bone of the pelvis. It is the origin of muscles that attach to the femur and aid in running. These muscles are called M. puboischiofemoralis externus 1 and 2 in crocodylians. In birds the muscles are called the M. obturatorius lateralis and M. obturatorius medialis. They insert on the greater trochanter of the femur. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 82 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.20 inches

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Obturator Internus Muscle $58.94 High Quality Content by WIKIPEDIA articles The obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis. It exits the pelvic cavity through the lesser sciatic foramen. The obturator internus is situated partly within the lesser pelvis, and partly at the back of the hipjoint. It functions to help laterally rotate extended thigh and abduct flexed thigh, as well as to steady the femoral head in the acetabulum. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 70 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.17 inches

Obturator Externus Muscle $70.1 High Quality Content by WIKIPEDIA articles The obturator externus muscle is a flat, triangular muscle, which covers the outer surface of the anterior wall of the pelvis. It is sometimes considered part of the medial compartment of thigh, and sometimes considered part of the gluteal region. It arises from the margin of bone immediately around the medial side of the obturator foramen, viz., from the rami of the pubis, and the inferior ramus of the ischium; it also arises from the medial twothirds of the outer surface of the obturator membrane, and from the tendinous arch which completes the canal for the passage of the obturator vessels and nerves. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 98 Publication Date: 2010/07/22 Language: English Dimensions: 6.00 x 9.02 x 0.23 inches

Welch Allyn KleenSpec Disposable Anoscope with Obturator, 100/cs $287.06 Features of the Welch Allyn KleenSpec Disposable Anoscope: A high-performance, disposable anoscope for convenient, safe, and efficient examination. 45 degree bevel at distal end to facilitate instrumentation. Convenient disposable speculum and obturator ready for instant use. 19 mm x 10 cm.

Sheath Dress $79.99 Sheath Dress

The pelvic fascia and pelvic cellular tissue

Connective tissue f111s the irregular spaces between the various pelvic organs. Much of it is loose cellular tissue, but in some places it is condensed to form strong ligaments which contain some smooth muscle fibres, and it forms the fascial sheaths which invest the various viscera. The pelvic arteries, veins, lymphatics and nerves, and the ureters run in it.

The cellular tissue is continuous above with the extraperitoneal tissue of the abdominal wall, but below it is cut off from the ischiorectal fossa by the pelvic fascia and the levator ani muscles. There is a considerable collection of cellular tissue in the wide base of the broad ligament and at the side of the cervix and vagina, spoken of as the parametrium.

The pelvic fascia may be regarded as a specialized part of this connective tissue. Anatomists describe parietal and visceral components. The parietal pelvic fascia lines the wall of the pelvic cavity, covering the obturator internus and pyramidalis muscles. There is a thickened 'white line' (the arcus tendineus) on the side wall of the pelvis from which the levator ani muscle arises and where the cardinal ligament gains its lateral attachment. Where the parietal pelvic fascia encounters bone, as in the pubic region, it blends with the periosteum. It also forms the upper layer of the urogenital diaphragm (triangular ligament).

Each viscus has a fascial investment, which is dense in the case of the vagina and cervix and at the base of the bladder, but is tenuous or absent over the body of the uterus and the dome of the bladder. Various processes of the visceral pelvic fascia pass inwards from the peripheral layer of parietal pelvic fascia. From the point of view of the gynaecologist, certain parts of the visceral fascia are of particular importance:, as follows.

The essential support of the uterus and vaginal vault is provided by the cardinal ligaments (transverse cervical ligaments). These are two strong fan-shaped fibromuscular expansions which pass from the cervix and vaginal vault to the side wall of the pelvis on either side (see Fig. 10.2).

The uterosacral ligaments run from the cervix and vaginal vault to the sacrum. In the erect position they are almost vertical in direction and support the cervix.

The bladder is supported laterally by condensations of the vesical pelvic fascia on each side, and there is also a sheet of pubocervical fascia which lies beneath it anteriorly.

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