Ischium

The ischium is the posterior inferior compart of the pelvis. Posteriorly, bony prominences form the ischial tuberosity or each side of the inner pelvis and support the body's weight in a sitting position. The ramus of the ischium is the thin, flattened part of the ischium (lowest part of the coxal bone), which ascends from the lower part of the body and joins the inferior ramus of the pubis-the junction being indicated in the adult by a raised line. The combined rami are sometimes called the...

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Anatomy Terms

Acetabulum
Anterior Inferior Iliac Spine
Anterior Superior Iliac Spine
Coccyx
Femoral Neck
Greater Trochanter
Head of Femur
Iliac Crest
Ilium
Inferior Ramus of Ischium
Inferior Ramus of Pubis
Ischium
Lesser Trochanter
Obturator Foramen
Pubic Symphysis
Sacroiliac Joint
Sacrum
Superior Ramus of Ischium
Superior Ramus of Pubis

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Full Ischium Description

[Continued from above] . . . ischiopubic ramus. The large opening that is called the obturator foramen is formed by both the rami of the ischium together with the pubis and creates the opening that allows for the passage of major blood vessels and nerves to the legs and feet.