Pubis
Updates to Article Attributes
The pubis is among the three bones of the innominate bone: ilium, ischium, and pubis. These are individual bones in the youth and unite to form one bone in adults, the principal union being in the acetabulum.
Pubis is the ventral part of the innominate bone and forms a median cartilaginous symphysis.
Gross anatomy
Osteology
The pubic bone had an anteromedial body, a superior ramus passing upwards to the acetabulum and inferior ramus bordering the obturator foramen which joins the ischial ramus ( conjoined ramus or the ischiopubic ramus).
The body of pubis is flattenedhas an anterior, posterior and symphysial surface.
The superior pubic ramus is triangular in cross-section has an anterior pectineal surface, a dorsosuperior pelvic surface and downsloping obturator surface. The pectineal surface extends from iliopubic or iliopectineal eminence to the pubic tubercle bounded by obturator crest in front and pecten pubis behind. The obturator surface exhibits an obturator groove along which the obturator vessels and nerves pass from pelvis to the thigh.
The inferior pubic ramus has two surfaces, the antero-external surface facing the thigh and the postero-internal surface facing the perineum.
The pubic tubercle is the crest of bone forming the medial attachment of the superficial inguinal ring and is crossed by the spermatic cord.
The pecten pubis is the sharp superior edge of the pectineal surface of the superior ramus of pubis.
Articulations
The symphysial surface is elongate and oval, united by cartilage to its fellow at the pubic symphysis.
Attachments
Musculotendinous
Muscles that originate from pubis:
Muscles that insert on the pubis:
Ligamentous
- pubofemoral ligament and obturator membrane at obturator crest
- inguinal ligament (Poupart's ligament) at pubic crest
Relations
Blood supply
Nerve supply
Variant anatomy
Radiographic features
Plain radiograph
Development
Ossification
Related Pathology
-<p>The <strong>pubis</strong> is among the three bones of the <a href="/articles/innominate-bones">innominate bone</a>: <a href="/articles/ilium">ilium</a>, <a href="/articles/ischium">ischium</a>, and pubis. These are individual bones in the youth and unite to form one bone in adults, the principal union being in the <a href="/articles/acetabulum">acetabulum</a>.</p><p>Pubis is the ventral part of the innominate bone and forms a median cartilaginous symphysis.</p><h4>Gross anatomy</h4><h5>Osteology</h5><h5>Articulations</h5><h5>Attachments</h5><h5>Relations</h5><h4>Blood supply</h4><h4>Nerve supply</h4><h4>Variant anatomy</h4><h4>Radiographic features</h4><h5>Plain radiograph</h5><h4>Development</h4><h5>Ossification</h5><h4>Related Pathology</h4>- +<p>The <strong>pubis</strong> is among the three bones of the <a href="/articles/innominate-bones">innominate bone</a>: <a href="/articles/ilium">ilium</a>, <a href="/articles/ischium">ischium</a>, and pubis. These are individual bones in the youth and unite to form one bone in adults, the principal union being in the <a href="/articles/acetabulum">acetabulum</a>.</p><p>Pubis is the ventral part of the innominate bone and forms a median cartilaginous symphysis.</p><h4>Gross anatomy</h4><h5>Osteology</h5><p>The pubic bone had an anteromedial body, a superior ramus passing upwards to the acetabulum and inferior ramus bordering the obturator foramen which joins the ischial ramus ( conjoined ramus or the ischiopubic ramus).</p><p>The <strong>body of pubis </strong>is flattened<strong> </strong>has an anterior, posterior and symphysial surface.</p><p>The <strong>superior pubic ramus</strong> is triangular in cross-section has an anterior pectineal surface, a dorsosuperior pelvic surface and downsloping obturator surface. The pectineal surface extends from iliopubic or iliopectineal eminence to the pubic tubercle bounded by obturator crest in front and pecten pubis behind. The obturator surface exhibits an obturator groove along which the obturator vessels and nerves pass from pelvis to the thigh.</p><p>The<strong> inferior pubic ramus</strong> has two surfaces, the antero-external surface facing the thigh and the postero-internal surface facing the perineum.</p><p>The<strong> pubic tubercle </strong>is the crest of bone forming the medial attachment of the superficial inguinal ring and is crossed by the spermatic cord.</p><p>The pecten pubis is the sharp superior edge of the pectineal surface of the superior ramus of pubis.</p><h5>Articulations</h5><p>The symphysial surface is elongate and oval, united by cartilage to its fellow at the pubic symphysis.</p><h5>Attachments</h5><h6>Musculotendinous</h6><p>Muscles that originate from pubis:</p><ul><li> </li></ul><p>Muscles that insert on the pubis:</p><ul><li> </li></ul><h6>Ligamentous</h6><ul>
- +<li>pubofemoral ligament and obturator membrane at obturator crest</li>
- +<li>inguinal ligament (Poupart's ligament) at pubic crest</li>
- +<li> </li>
- +</ul><h5>Relations</h5><h4>Blood supply</h4><h4>Nerve supply</h4><h4>Variant anatomy</h4><h4>Radiographic features</h4><h5>Plain radiograph</h5><h4>Development</h4><h5>Ossification</h5><h4>Related Pathology</h4>
References changed:
- 1. Susan Standring. Gray's Anatomy. (2015) ISBN: 9780702052309 - <a href="http://books.google.com/books?vid=ISBN9780702052309">Google Books</a>
Tags changed:
- hip
- musculoskeletal
- pelvis
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