Tuberosity of the ischium

Encyclopedia : T : TU : TUB : Tuberosity of the ischium

Capsule of hip-joint (distended). Posterior aspect. |- style="text-align: center;" class="hiddenStructure" | colspan="2" |

|- style="text-align: center; line-height: 1;" class="hiddenStructure" | colspan="2" |The Obturator externus. (Tuberosity of the ischium visible at bottom right.) |- class="hiddenStructure" |Latin |colspan="2"|t. ischiadicum |- class="hiddenStructure" | |colspan="2"|[subject #57 ] |- class="hiddenStructure" |System |colspan="2"| |- class="hiddenStructure" |Precursor |colspan="2"| |- class="hiddenStructure" |MeSH |colspan="2"|[] |- class="hiddenStructure" |Dorlands/Elsevier |colspan="2"|[t_21/12827506] |} Posteriorly the Superior ramus of the ischium forms a large swelling, the tuberosity of the ischium, which is divided into two portions: a lower, rough, somewhat triangular part, and an upper, smooth, quadrilateral portion.

• The lower portion is subdivided by a prominent longitudinal ridge, passing from base to apex, into two parts;
• * the outer gives attachment to the Adductor magnus,
• * the inner to the sacrotuberous ligament.

• The upper portion is subdivided into two areas by an oblique ridge, which runs downward and outward;
• * from the upper and outer area the Semimembranosus arises;
• * from the lower and inner, the long head of the Biceps femoris and the Semitendinosus.

External links

• SUNY Labs [41:st-0204]
• SUNY Labs [17:os-0114]

 

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