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Topic: Outlet of the pelvis

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Dorlands Medical Dictionary The superior boundary of the pelvic cavity is the inlet (apertura pelvis superior [TA]), and the inferior boundary of the pelvis minor is the outlet (apertura pelvis inferior [TA]), which is bounded by the coccyx, the symphysis pubis, and the ischium of either side. kyphotic pelvis,   one characterized by increase of the conjugate diameter at the brim, with decrease of the transverse diameter at the outlet, due to close proximity of the ischial spines and tuberosities. Otto pelvis,   a pelvis in which the acetabulum is depressed, permitting the head of the femur to protrude intrapelvically; see arthrokatadysis. www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_p_10zPzhtm

eMedicine - Pelvic Ring Fractures : Article by D Dean Thornton, MD Outlet radiographs of the pelvis are obtained with the patient in the supine position, with the x-ray tube positioned at the patient's feet and angled 45° toward the head (see Image 23). Inlet radiographs of the pelvis are obtained with the patient in the supine position, with the x-ray tube positioned at the patient's head and angled 45° toward the feet (see Image 22). AP radiographs of the pelvis and chest and lateral radiographs of the cervical spine are included in the initial radiographic assessment in a patient with major traumatic injuries. www.emedicine.com /radio/topic546.htm

Online Dictionary for French English, Spanish English, Italian English, and more. A structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter; SYN: renal pelvis. The structure supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates; SYN: pelvic girdle, pelvic arch, hip. www.ultralingua.net /?service=ee&text=pelvis

Part 2 FTC Complaint According to the 1993 Williams Obstetrics, some people believe that lithotomy closes the birth canal 1.5-2 cm, i.e., "One reported advantage from avoiding the traditional lithotomy position is an increase in the dimensions of the pelvic outlet" (p. >>>pressure point of the pelvis in the lithotomy position..." How interesting that Borell and Fernström (1957) conveniently attributed to the "lithotomy" position increases in pelvic outlet diameter that should have been attributed to the the lateral "modified Sims’" position. home1.gte.net /gastaldo/part2ftc.html

Squatting in Labor The urge to push is a very good indicator that the baby has move down the pelvis and is at the outlet. Squatting is used during the second stage of labor. Squatting also uses the force of gravity to help the baby make her way down the birth canal. www.birthingnaturally.net /cn/position/squat.html   (361 words)

pelvis.html Your goal here is to gain sufficient exposure of structures of the pelvis and perineum and to be able to disarticulate the pelvis. The walls of the perineum are formed by the obturator internus muscle, and by the bones and ligaments defining the pelvic outlet (see Fig. 4 The lymphatic drainage of the perineum is mainly to superficial inguinal nodes. www.emory.edu /ANATOMY/AnatomyManual/pelvis.html   (9319 words)

Gray's Anatomy - The Pelvis - Yahoo! Reference —The lower circumference of the pelvis is very irregular; the space enclosed by it is named the inferior aperture or outlet ( apertura pelvis [ minoris ] inferior) (Fig. For convenience of description, it is divided into an inlet bounded by the superior circumference, and outlet bounded by the inferior circumference, and a cavity. —The superior circumference forms the brim of the pelvis, the included space being called the superior aperture or inlet ( apertura pelvis [ minoris ] superior) (Fig. messenger.yahooligans.com /reference/gray/58.html   (9319 words)

Pelvis 2 Specifically, in females the pelvic inlet and pelvic outlet are wider than in males, the pubic angle is greater in females, and the ischial spines are shorter and more everted than those of males. This site was last modified May 10, 2002. bioweb.uwlax.edu /aplab/Table_of_Contents/Lab_04/Pelvis_2/pelvis_2.html   (86 words)

Pelvis The second line (2) extends from the coccyx to the lower border of the pubic symphysis and represents the pelvic outlet. One from the sacral promontory to the upper pubic symphysis represents the pelvic inlet. The anterior superior iliac spine and pubic tubercle are in the same vertical plane. mywebpages.comcast.net /wnor/pelvis.htm   (2000 words)

SCI Pamphlets - Bladder Management: Research The lower portion of the bladder, which funnels urine into the urethra, is called the bladder neck or bladder outlet. The bladder is a collapsible sac lying in the pelvis. The area over the bladder is tapped with the fingertips or the side of the hand, lightly and repeatedly, to stimulate detrusor muscle contractions and voiding. depts.washington.edu /rehab/sci/pamp_bladder_manage.html   (2000 words)

Urogenital Diaphragm The outlet of the pelvis is spanned by two muscular sheets - a deeper "pelvic diaphragm" and a more superficial "urogenital diaphragm." The pelvic diaphragm forms the floor of the pelvic cavity, and the urogenital diaphragm fills the space within the pubic arch. Together they act as a sphincter that closes the urethra by compression and opens it by relaxation to control the flow of urine. www.innerbody.com /text/musc34.html   (2000 words)

Pregnancy Today - Birth Presentations and Delivery They include the fetal lie, which is the axis of the baby relative to that of the mother's; the presentation, which indicates what body part is closest to the pelvic outlet; and the flexion attitude, which refers to how the head of the baby is flexed. Put simply, "presentation" is the position of the baby's body when progressing down the birth canal and entering the world or, in other words, how a baby presents itself during her entrance into the world. A footling position is when one of the feet is extended down toward the birth canal, and double footling is when both feet are extended down so that the first thing into the birth canal is the feet. pregnancytoday.com /reference/articles/brthprsntns.htm   (1685 words)

coccyx tailbone evolution baby born with tail The coccygeus muscle consists of the levator aid and the prirformis which enclose the back part of the outlet of the pelvis. This muscle is inserted by its base into the margin of the coccyx and into the side of the last section of the sacrum. "The posterior surfaces [of the coccyx] serve as attachments for the gluteus maximus muscle and the sphincter and externus muscles. www.angelfire.com /mi/dinosaurs/tailbone.html   (2241 words)

Chapter 11: The Muscular System The boundaries of the perineum, the muscular sheet that forms the pelvic floor, are established by the inferior margins of the pelvis. The urogenital and pelvic diaphragms do not completely close the pelvic outlet, for the urethra, vagina, and anus pass through them to open on the external surface. The superficial muscles of the urogenital triangle are the muscles of the external genitalia. cwx.prenhall.com /bookbind/pubbooks/martinidemo/chapter11/medialib/CH11/html/ch11_4_4.html   (470 words)

Urogenital Diaphragm The outlet of the pelvis is spanned by two muscular sheets - a deeper "pelvic diaphragm" and a more superficial "urogenital diaphragm." The pelvic diaphragm forms the floor of the pelvic cavity, and the urogenital diaphragm fills the space within the pubic arch. Together they act as a sphincter that closes the urethra by compression and opens it by relaxation to control the flow of urine. www.innerbody.com /text/musc34.html   (66 words)

UpToDate Management of fetal macrosomia and shoulder dystocia — The fetal bisacromial diameter normally enters the pelvis at an oblique angle with the posterior shoulder ahead of the anterior one, rotating to the anterior-posterior position at the pelvic outlet with external rotation of the fetal head [6]. In practice, the diagnosis of shoulder dystocia is subjective; it is considered when the routine practice of gentle, downward traction of the fetal head fails to accomplish delivery. If the fetal shoulders remain in an anterior-posterior position during descent or descend simultaneously rather than sequentially into the pelvic inlet, then the anterior shoulder can become impacted behind the symphysis pubis and/or the posterior shoulder may be obstructed by the sacral promontory. patients.uptodate.com /topic.asp?file=labordel/6688   (66 words)

Just Fetal Headaches As noted in my 1992 letter to Birth, with a woman on her back in dorsal lithotomy, in addition to the weight of her pelvis, there is the weight of her thighs ALSO jamming her sacral tip into her fetus's skull. Many people are aware of radiologic reports of about an inch of "extra" sagittal pelvic outlet diameter in the squatting position... Gant kept this false claim in his text inspite of my having called his attention to it; and inspite of the fact that his text's normal delivery position graphics (which presumably illustrate the dorsal lithotomy position) clearly show the sacrum in contact with the delivery surface... www.efn.org /~djz/birth/add1095/birthposition.html   (673 words)

Just Fetal Headaches As noted in my 1992 letter to Birth, with a woman on her back in dorsal lithotomy, in addition to the weight of her pelvis, there is the weight of her thighs ALSO jamming her sacral tip into her fetus's skull. Many people are aware of radiologic reports of about an inch of "extra" sagittal pelvic outlet diameter in the squatting position... Gant kept this false claim in his text inspite of my having called his attention to it; and inspite of the fact that his text's normal delivery position graphics (which presumably illustrate the dorsal lithotomy position) clearly show the sacrum in contact with the delivery surface... www.efn.org /~djz/birth/add1095/birthposition.html   (673 words)

descending perineum syndrome Rectoceles and enteroceles (dilation/hernia of areas of the intestine/rectum/colon) may also be present with the descending perneum and contribute to outlet obstruction. Essentially what you have here is a weakness of the muscles of the floor of the pelvis (Perineum). The descending perineum syndrome consists of excessive ballooning down of the perineum usually as a result of years of straining, vaginal deliveries, prior rectal or perineal surgical procedures. www.medhelp.org /forums/FamilyPractice/messages/162.html   (213 words)

IV. Myology. 1F. The Muscles and Fasciæ of the Perineum. Gray, Henry. 1918. Anatomy of the Human Body. The perineum corresponds to the outlet of the pelvis. In a considerable proportion of cases the fibers decussate in front of the anus, and are continuous with the Transversi perinæi superficiales. It arises by tendinous and fleshy fibers from the inner surface of the tuberosity of the ischium, behind the crus penis; and from the rami of the pubis and ischium on either side of the crus. www.bartleby.com /107/120.html   (2723 words)

eMedicine - Fractures, Pelvic : Article by Charles Sheppard, MD FACEP Pelvic hemorrhage is the direct cause of death in fewer than half of patients with pelvic fractures who die. Tenderness over the pelvis that can be appreciated with pelvic springing indicates fracture. Kane type I represents fractures of only 1 pelvic bone and no interruption of the anatomic ring, such as an avulsion of the anterior superior iliac spine. www.emedicine.com /emerg/topic203.htm   (2723 words)

Jambands.com CD Reviews Eva! Leyenda Peuana - Eva Ayllon Endless Road - Tommy Emmanuel 2005-03-05 The lando, a highly erotic form of music that is often accompanied by suggestive dances centering on the pelvis, is perfectly illustrated in "Cardo o Ceniza" (Thistle or Ashes), as Eva finds the ideal outlet for her seductive vocal charms. While Eva Ayllon's ensemble uses acoustic instruments to celebrate their music, Tommy Emmanuel's latest effort, Endless Road, uses acoustic music to celebrate his fine instruments. Percussion and staccato piano swirl with Eva's emotive voice to form a powerfully uplifting number. www.jambands.com /CDReviews/content_2005_03_05.01.phtml   (2723 words)

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